Why Breakups Don’t Stay Broken: The Psychology of On-Again, Off-Again Relationships

Remember the ending of Ae Dil Hai Mushkil? Ayan confesses his love, Alizeh says no, they grieve, they reconnect, they drift again. The film ends not with a clean resolution but with something messier — an understanding that some relationships don’t end in a single, decisive moment. They end in chapters.

If that feels familiar to your own life, you’re not alone. And you’re not weak for it.

The Breakup That Keeps Breaking

There’s a particular kind of exhaustion that comes from a relationship that won’t quite end.

You call it off. You mean it — this time. And then, three weeks later, a text arrives. Or you see something that reminds you of them. Or loneliness arrives at 11 PM and you find yourself scrolling back up through old conversations.

Research calls this the on-again/off-again (or “cycling”) relationship pattern. Studies suggest that nearly 60% of adults in Western samples have cycled with a romantic partner at least once — and the numbers are likely comparable, if not higher, in Indian urban contexts where social pressure adds an entirely different layer of complexity to the decision to leave (Monk, Vennum, Ogolsky & Fincham, 2014).

So why does it happen? Why can’t we just… close the door?

1. Your Brain Is Literally Addicted to Them

This isn’t a metaphor. Neuroscientist Helen Fisher’s research using fMRI scans showed that romantic love activates the same dopamine reward circuits as cocaine. When a relationship ends, those circuits don’t quietly switch off — they go into craving mode.

This is why the pain of a breakup is also punctuated by obsessive thinking, hypervigilance to any sign from them, and the euphoric relief when they come back. The return doesn’t just feel good — it feels right, neurologically speaking, even when emotionally it isn’t.

The human brain, particularly under stress, prioritizes familiarity over wellbeing. Your ex isn’t just a person. They’re a neural pathway.

2. Attachment Styles Don’t Dissolve at the End of a Relationship

John Bowlby’s Attachment Theory, and its later elaborations by Hazan and Shaver (1987), tells us that our earliest experiences of being cared for form a kind of template for how we relate in adult romantic relationships.

Anxious attachment — “Will they leave me? Am I enough?” — creates a push-pull dynamic where the relationship ending feels like the original abandonment wound being reopened.

The reconciliation isn’t just about the partner; it’s an unconscious attempt to finally resolve a much older hurt.

Avoidant attachment — “I need space, but I don’t want to lose you either” — creates the classic hot-and-cold pattern. The person pulls away when intimacy feels threatening, then returns once distance makes reconnection feel safe again.

The result? Two people cycling not because of who they are to each other, but because of patterns laid down long before they ever met.

In the Indian context, this dynamic is often compounded by the fact that we don’t have a cultural vocabulary for attachment needs. We’re taught to adjust, not to articulate. So the cycling continues not through honest conversation but through gesture, implication, and the occasional 2 AM call.

3. The “Unfinished Business” That Keeps Doors Open

Psychologists use the term Zeigarnik Effect to describe our brain’s tendency to fixate on incomplete tasks. Applied to relationships: a breakup that doesn’t come with clear answers — What did I do wrong? Did they ever really love me? Could it have worked? — leaves a cognitive loop running in the background.

We return not just for the person, but for closure — except closure, as a fixed destination, is largely a myth. What we’re actually seeking is meaning. And we often seek it from the only source that seems to have the answer: the person who left.

This is especially acute in relationships that end ambiguously — no dramatic fight, no clear betrayal, just a slow unraveling that neither person quite names. Indian relationships are particularly prone to this ambiguity. We’re not great at having the “this is over” conversation. We ghost gently. We “take a break.” We stop calling and hope the other person gets it.

Here’s something Western psychology doesn’t fully capture: in India, ending a relationship isn’t just a private decision between two people. It involves — explicitly or implicitly — families, expectations, neighbourhood gossip, and the unspoken question of log kya kahenge (what will people say).

For many young Indians, especially those in long-term relationships or those who’ve introduced a partner to their family, the social cost of a “failed” relationship adds a separate layer of reluctance to actually end things. There’s grief, yes — but also shame. And shame, unlike grief, doesn’t motivate clean endings. It motivates secrecy, ambivalence, and revisitation.

The relationship cycles not because both partners believe it can work — but because the social scaffolding makes leaving feel like failure rather than discernment.

5. Intermittent Reinforcement: Why the Relationship Feels More Intense Than It Is

Behavioural psychology offers one of the most unsettling explanations for why cycling relationships feel so compelling: intermittent reinforcement.

In B.F. Skinner’s classic experiments, animals who received rewards on a random, unpredictable schedule were more motivated, not less, than those who received consistent rewards. The unpredictability created compulsion.

In a cycling relationship, the pattern of rupture and reunion creates exactly this dynamic.

You don’t know when the good version of them will appear, so you wait — and when it does appear, the relief is disproportionately intense. The highs feel higher precisely because the lows have been so low.

This is why on-again/off-again relationships are often described as the most intense love someone has experienced. They are, in a neurological sense. But intensity and health are not the same thing.

6. Why “Clean Closure” Is Harder Than It Sounds

We tell ourselves — and each other — to get closure. Have the final conversation. Say what needs to be said. Move on.

But research by Finkel and colleagues (2012) suggests that the act of seeking closure from a past partner often prolongs distress rather than resolving it. Re-engaging, even for “one last honest conversation,” reactivates attachment, re-exposes the wound, and often ends with one or both parties feeling worse — or, more dangerously, reconciling again.

Real closure, it turns out, is something you construct internally. It’s a meaning you make, not a door someone else closes for you.

This is genuinely difficult in a culture where we’re not encouraged to sit with uncertainty — where an unmarried status or an “incomplete” relationship is treated as something to be fixed rather than processed.

7. When Cycling Is Most Harmful

Not all on-again/off-again relationships are equal. Research by Monk and Ogolsky (2019) identified that relationship cycling is associated with:

Higher rates of depression and anxiety in both partners
Lower relationship satisfaction, even during “on” phases
Decreased decision-making quality — the longer the pattern persists, the harder it becomes to evaluate the relationship clearly
Greater risk of staying in relationships that are fundamentally incompatible — because the emotional investment has become too high to reassess honestly

It’s important to name this clearly: some cycling relationships carry real risk, particularly when patterns of emotional manipulation, coercion, or toxicity are present. The return, in those cases, isn’t a second chance — it’s the pattern doing what patterns do.

So What Do You Do With All This?

If you’re in the cycle right now, or watching yourself about to re-enter one, here’s what the research — and honest clinical experience — suggests:

Name the pattern before acting on the impulse.

When you feel the pull to reach out or return, it helps to name what’s actually happening:

“I’m experiencing a craving response, not a clear-headed decision.”

This doesn’t make the feeling go away, but it creates a small pause between impulse and action.

Understand your attachment needs — and find other ways to meet them.

If the return is about soothing anxiety, loneliness, or a fear of being unlovable, those needs are real and deserve to be met. They just don’t always need to be met by this specific person.

Grieve the relationship you wanted, not just the one you had.

Much of the cycling is about mourning the potential — the version of them that showed up in the good moments, the life you’d imagined. That grief is legitimate. It deserves space.

Get honest about what keeps the door open.

Is it love? Fear of loneliness? Social pressure? The sunk cost of years already invested? These are different problems with different solutions — and conflating them makes the decision harder than it needs to be.

Consider working with a therapist.

This isn’t a prescription for dysfunction. On-again/off-again patterns are deeply ingrained, often rooted in attachment history that predates the current relationship. A therapist can help you see the pattern from outside it — which is very hard to do when you’re inside it.

The Real Question

The question at the centre of every cycling relationship isn’t really should we try again? It’s:

Are we returning because this relationship genuinely has something to offer — or because I haven’t yet learned to tolerate its absence?

Those are different questions. They deserve different answers.

And if you’re not sure which one you’re answering — that might be the most important thing to find out.

If you’re navigating the end of a relationship, or feeling stuck in a pattern you can’t seem to break, talking to a therapist can help. PsychLine offers online counselling for individuals and couples across India, with therapists who understand the cultural and emotional complexity of Indian relationships. Book a session →

References

Bowlby, J. (1969). Attachment and Loss, Vol. 1: Attachment. Basic Books.
Finkel, E. J., Eastwick, P. W., & Matthews, J. (2007). Self-regulatory failure and optimal relationship initiation. Journal of Personality and Social Psychology.
Fisher, H. (2004). Why We Love: The Nature and Chemistry of Romantic Love. Henry Holt.
Hazan, C., & Shaver, P. (1987). Romantic love conceptualized as an attachment process. Journal of Personality and Social Psychology, 52(3), 511–524.
Monk, J. K., Vennum, A. V., Ogolsky, B. G., & Fincham, F. D. (2014). Commitment and sacrifice in emerging adult cyclical relationships. Marriage & Family Review, 50(5), locked.
Monk, J. K., & Ogolsky, B. G. (2019). Coming back around: Relationship cycling and implications for health and wellbeing. In Relationships and Health. APA.
Skinner, B. F. (1938). The Behavior of Organisms. Appleton-Century-Crofts.