Monkey branching means staying in one relationship until the next one is lined up, so you never have to be single. Maybe you’ve noticed you don’t leave until someone new is already texting back. Maybe you just learned your ex’s new partner was in the picture before the breakup.
Noticing someone else when you’re unhappy is ordinary. Monkey branching describes something narrower: an intentional overlap where the next partner has to be in place before the current one ends. Keeping someone in reserve is also more common than people admit. In a survey of college students, many kept a “back burner,” someone they stayed in touch with as a possible future partner, and that included students who were already in a committed relationship.
No study has looked at monkey branching by name. The closest research looks at the fear of being single, at back burners, and at attachment style. Put together with what therapists see, it points to something quieter than chasing a better option: dread of the gap between partners. This post is for two readers. One recognizes the pattern and wants to understand it. The other was left and wants to know what happened.
Seeing the gap clearly helps the first reader change course and helps the second stop blaming themselves.
What monkey branching means
The image is simple. A monkey moving through the trees doesn’t let go of one branch until it has a firm grip on the next. What gets called monkey branching in dating also goes by monkey barring, after the playground bars. The idea is the same across names.
In plain terms, monkey branching involves staying in your current relationship while the next partner comes into view, then leaving once that new person feels secure. From the inside, it rarely feels like a plan. You notice you end things only after someone new is interested.
You keep other potential partners “warm,” an old flame or a friendly coworker you message every few weeks. And when you picture the months after a breakup with nobody there, you feel a jolt close to panic.
That jolt is the center of it. In monkey branching relationships, the pull tends to be less toward the new partner than away from the empty stretch in between.
The next relationship works as a safety net that lets the current one end without a fall.
Monkey branching vs. cheating, dating around, and rebounds
So is monkey branching cheating? Not automatically. It often overlaps with an emotional affair, meaning a close, secret bond outside the relationship that your partner would feel betrayed by if they knew. Whether it gets considered cheating depends less on a technicality (“we only talked”) than on two things: what the two of you agreed to, and how much was hidden.
Dating around and rebounds, compared
Two other kinds of dating behavior get mixed up with it:
- Dating around means openly seeing several people. It’s different, because everyone knows the terms.
- A rebound follows a breakup. It starts only after the relationship has ended, without overlap. Monkey branching lines up the next relationship before the current one ends, creating that overlap on purpose.
What separates monkey branching behavior from both is timing and honesty. One partner has already half left, and the other one doesn’t know it yet.
Why people monkey branch: the fear of the gap
For some people, being alone isn’t a neutral stretch of time. It feels unbearable, or unsafe, or like a verdict on their worth. If you carry low self-esteem, a quiet weekend can read as proof that nobody would choose you. People who live with relationship anxiety often describe single life as a kind of free fall.
The fear of being single is something researchers can measure, and it shapes real choices. Across a series of studies, people high in this fear stayed longer in less satisfying relationships and were less likely to end them. They were also less selective about potential partners. That held even after the researchers accounted for anxious attachment, the steady worry that the people you love will leave. So this fear isn’t simply attachment anxiety under a new name.
Nobody comes in saying they monkey branch. People come in because the new relationship has started to feel like the old one, or because a partner found out how the last one ended. The pattern shows up in the history: one relationship ends the same week the next begins, going back years. When we ask about the longest stretch of being single, the honest answer is often that there hasn’t been one.
A later set of experiments found that briefly stirring up the fear of being alone made people long for their exes more and made them more willing to settle. Treat this as a hint, not a settled fact.
Neither line of research is about monkey branching, and neither follows people who leave one partner for a new partner. What it shows is how the fear of being single pushes people toward whatever feels safest right now. When the pull toward one particular person becomes all-consuming and obsessive, that sounds closer to limerence than to branching.
The attachment angle
Your attachment style is the pattern you learned early for staying close to people and coping when closeness feels at risk. It isn’t a fixed type or a diagnosis. It’s a set of habits, and they tend to show up most at the beginnings and endings of relationships.
In therapy, monkey branching behavior comes from two opposite directions. With an anxious attachment style, the gap feels like abandonment. Being single isn’t only quiet. It feels like proof you’ve been left, so someone has to be there first.
With an avoidant style, the motive runs the other way. A new relationship offers a door out, and you can leave without the long, hard conversation about why things aren’t working. The new person becomes the reason, so you never have to say your own.
Both styles reach for the same move for opposite reasons. One person is running from being alone. The other is running from the ending itself. Telling those two apart changes what we work on first, because the fear underneath points in a different direction for each of them.
Both versions protect against something real. For the anxious reader, overlap spares you the drop into loneliness; for the avoidant reader, it spares you the scene of the ending.
Labels like commitment issues or attachment issues are blunt. The more useful question is what an ending feels like to you. Nobody has measured branching by attachment style, so hold this as a working picture of how the pattern tends to look from a therapist’s chair, not a rule.
What the research covers, and where it stops
No peer-reviewed study looks at monkey branching as a named pattern. The term grew out of dating culture, not out of a lab.
The closest evidence sits in three nearby areas: the fear of being single, back-burner relationships, and attachment.
Back-burner research is the nearest neighbor. A back burner is someone you keep in touch with as a possible future partner, often by text or on social media platforms. Beyond the college survey mentioned earlier, a study of adults in committed relationships found that people messaged their back burners more when that person was an ex. That contact also went along with more negative feelings. This research is about keeping in touch, mostly online, and it doesn’t follow anyone who left a relationship for a back burner.
Evolutionary psychologists have offered a theory about why the pattern might exist at all. Their “mate switching hypothesis” proposes that humans may have evolved to keep an eye on alternative partners and to switch when a relationship falters. It’s a proposal, not a proven fact. It isn’t an excuse, either, and it says nothing about whether the pattern serves you or the people you date.
When the Gap Between Partners Feels Unbearable
Therapy is a place to figure out what being single means to you before the next overlap starts. Our Washington, DC therapists meet with people in person and online.
If you were the one left behind
For the person on the receiving end, monkey branching creates two losses at once. There’s the breakup itself. Then there’s the discovery that the decision was made before you knew, and that the new partner your friends keep mentioning was already around.
It makes sense that you replay the timeline. Your mind hunts for the moment you should have caught it: the distracted weekend, the phone turned face down, the plans that stopped including you. That search promises relief. Usually it brings more questions and more self-doubt.
How your ex handled the ending tells you how they cope with endings. It isn’t a verdict on your worth, and it doesn’t cancel all the love you put in. The hurt is real even if nothing “technically” happened before the breakup. Being replaced while your emotional investment was still in the relationship is its own kind of betrayal, and it’s common to carry some wariness into future relationships for a while.
What helps is mostly unglamorous. Step back from piecing together dates and screenshots. Look for support for the grief, not only the anger; anger tends to arrive first, but the sadness is what needs your attention. Good friends help, especially the ones who don’t need every detail. Moving on comes slower while you’re still investigating and a little faster once you let yourself be sad.
How to break the pattern
If you see monkey branching in your own history, the costs are usually what make you look closer.
The same relationship issues from your previous relationship come back with a new face, because nothing in between got looked at. And a current partner often senses they’re being measured against a better option.
Where to start
Take these in order, and expect to repeat a few.
Name the pattern without making it who you are
Ask what being single would mean right now
End one relationship before you start the next
Try a single season on purpose
Notice back-burner contact, especially with an ex
Expect some guilt after a breakup, even when you ended things fairly. It’s common, and it’s a reasonable price for honesty.
When therapy helps
The bottom line: monkey branching is usually about dreading the gap, not chasing an upgrade, and that dread is something you can work on.
Individual therapy is the usual fit, because the work is about how you relate to being alone more than about any one partner. It’s ordinary mental health work that looks at relational patterns across years, not only the last breakup, and at your long-term goals for love. A review of many studies of people in therapy found early signs that those with less secure attachment may do better in therapy focused on close relationships and how they relate to others. That finding is about therapy in general, not monkey branching in particular.
Several approaches can help, and they work as equals. Psychodynamic therapy looks at what the gap stirs up from earlier relationships, including the ones you grew up in. Acceptance and commitment therapy (ACT) helps you sit with the panic of being alone without acting on it.
Attachment-focused work builds a steadier sense that you can survive an ending and still be okay. Cognitive behavioral therapy (CBT) helps you catch the “I can’t be alone” thoughts and test them. Fit with the therapist matters as much as the method. A clinical psychologist, a licensed professional counselor, or a clinical social worker can all do this work.
Couples therapy makes sense in a narrower case: when two people are rebuilding trust after an emotional affair and both want to. In our experience, it goes better once the outside connection has ended and both partners are ready to look at what made the overlap possible. Either way, the goal is a healthy relationship you choose, not one you landed in to avoid the fall.
Ready to Stop Bracing for the Gap?
Whether you're the one who keeps overlapping or the one who got left, you don't have to sort it out alone. We'd be glad to help you find a therapist who fits.
Last updated: November 2026
This blog is for informational purposes only and does not constitute medical or mental health advice. Always consult with a qualified mental health professional for personalized guidance regarding your specific situation.
