Why Did They Move On So Fast? Psychology Explains What’s Really Going On

If you’re wondering “Why did they move on so fast?”—you’re not alone. Psychology shows that people with avoidant or insecure attachment often disconnect emotionally before the breakup. What looks like instant healing might just be delayed fallout.


I still remember the night I saw the photo.

Barely two weeks after our breakup, he was on Instagram — smiling, arms around someone new, out at a beach I didn’t even know he liked.
My stomach dropped. My hands shook.
I hadn’t even changed the bedsheets since he left.
And there he was, moved on, just like that.

I sat on the floor, thinking:
“Why did he move on so fast?”
“Was I that easy to forget?”


He Didn’t Seem Heartbroken — I Was

While I was crying in the shower, skipping meals, stalking our old messages, he was posting stories, hiking, and apparently dating.
The contrast was unbearable.
I felt like I was grieving something that never really existed.
And the part that hurt most?
I still loved him. I still missed him.

I thought maybe he never cared.
But that’s when I started learning more about what happens underneath the surface of some breakups — especially for people who avoid emotions instead of feeling them.


Fast Isn’t Always Healed

It turns out, a lot of people don’t “move on” — they just move forward so they don’t have to sit with the silence.

I read about something called emotional bypassing — using distractions, other people, or constant activity to avoid the pain.
It finally made sense.
His rebound wasn’t a fairytale. It was a painkiller.

That article on rebound relationship signs hit me hard.
Every line described him perfectly — from the need to post constantly to his sudden obsession with “self-improvement.”


He Was Avoidant. I Was Anxious.

When we were together, I always wanted more closeness. He always wanted space.
Now I realize: he had already started detaching months before we broke up.
He was halfway out emotionally while I was still planning our next weekend together.

That’s when I found out about attachment styles, and everything shifted.

He wasn’t necessarily a bad person — just someone who couldn’t hold discomfort.
And I was someone who couldn’t stop clinging to hope.
We were two puzzle pieces that didn’t quite click, but I kept forcing the fit.


I Was Still in Shock. He Had a Head Start.

The thing about breakups is: not everyone starts grieving at the same time.
I began the day he walked away.
He began… maybe never.

But here’s what I’ve learned:
Healing slow doesn’t mean healing wrong.
Crying doesn’t make you weak.
Still loving them doesn’t make you foolish.
It makes you honest.

And if you’re still stuck wondering, “Why did they move on so fast?”, just know — you’re not behind.
You’re just not bypassing.


Maybe He Loved Me — But He Couldn’t Love Me Well

I held on to the idea that it was real. That he felt something, once.
And maybe he did.
But people can love you and still lack the tools to treat you with care.

That’s not an excuse.
But it is an explanation.
And understanding it helped me stop blaming myself.

If you’re still wondering how long this takes — this no contact tracker app helped me reset my expectations.


So What Now?

He never came back with closure.
Never apologized.
And maybe he never will.

But I stopped waiting.

And I started tracking my own healing — literally.
Using a no contact tracker helped me see the small wins:
Day 1. Day 7. Day 23.
Every one of them was a quiet “I choose me.”

Every breakup is a mess.
But if you’re still hurting, still scrolling, still asking “Why did they move on so fast?” — please don’t mistake your grief for failure.
You’re just feeling it fully.
And one day, that won’t hurt—it’ll feel like power.


Here’s What Helped Me Most

I stopped checking their updates.
I blocked the need for closure.
And I started using the Let It Go App — the best free breakup app I could find — not just to survive the pain, but to understand it.
To make meaning out of the mess.
To finally, finally stop chasing someone who didn’t know how to stay.

One response to “Why Did They Move On So Fast? Psychology Explains What’s Really Going On”

  1. 12 Brutal Rebound Relationship Signs That Prove You’re Just a Placeholder (TikTok Viral Edition) – Let it Go Avatar

    […] TikTok has taught us anything, it’s that rebound relationship signs are everywhere—and most of us miss them completely. With over 8.8 million posts about rebounds on […]

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Hi! My name is Malvika, we, at Let it Go are so glad to have you here. I invite you to join me on a journey of healing with the help of our guided program along with the loving support of our community members. Breakups can be painful but we believe that there is no shame in asking for help when we need it.

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