Why Am I Obsessed With My Toxic Ex? (No, You’re Not Crazy)
Let me guess: they were selfish, manipulative, confusing as hell, emotionally unavailable and sometimes downright cruel…
And yet here you are, months (maybe years) later, still thinking about them like they’re the main character in your brain’s Netflix series.
You’re not alone. And you’re definitely not pathetic.
So if you’ve ever asked:
- “Why am I still obsessed with my toxic ex?”
- “Why do I still love someone who treated me like shit?”
- “Why can’t I stop checking their socials?”
- “Why do I miss the person who broke me?”
…this is your answer. The real one. The sweary one. The trauma-informed one.
You’re Not Obsessed With Them. You’re Obsessed With the High.
Let’s start with a rude truth wrapped in love:
You’re not in love with your toxic ex. You’re addicted to the emotional rollercoaster they put you on.
Toxic relationships run on a cycle of:
- love bombing (intense attention and affection),
- devaluation (criticism, distance, coldness),
- hoovering (pulling you back in),
- random crumbs of validation.
Your brain experiences:
- highs from their attention,
- withdrawal when they pull away,
- relief when they give you affection again.
That cycle wires your nervous system like this:
“THIS person = danger + relief + intensity + euphoria.”
It feels like deep love.
It’s actually deep conditioning.
Welcome to Trauma Bonding, Babe
Your “obsession” has a name: trauma bonding.
A trauma bond happens when someone repeatedly hurts you and then temporarily soothes the pain they caused.
Your brain pairs them with:
- pain,
- relief from pain,
- fear,
- comfort,
- confusion,
- belonging.
That is some sick emotional chemistry.
And like any intense chemical mix, it becomes addictive.
This is why breaking up with a toxic ex can feel worse than quitting booze, sugar, cigarettes and bad habits combined.
(Side note: this is exactly why I wrote Sober Not Sorry — because the same brain patterns show up in addiction and toxic love. Fun!)
Your Nervous System Thinks Chaos = “Home”
If you grew up with:
- unpredictable parents,
- emotional neglect,
- criticism,
- walking on eggshells,
- having to earn affection,
then your nervous system learned that love = anxiety + effort + confusion.
Your toxic ex fits that template perfectly.
They’re not special.
They’re familiar.
So your body clings to them not because they’re your soulmate, but because they match the chaos your system was trained on.
This is what I call your Trauma Algorithm™ — and your ex was just one of many people who could have triggered it.
Your Brain Is Trying to Win a Game That Was Rigged
Another reason you’re obsessed?
Your mind is still trying to “solve” them.
So you sit there thinking:
- “What did I do wrong?”
- “Why did they change?”
- “Were they lying the whole time?”
- “Did I imagine the good parts?”
- “If I was different, would they have treated me better?”
Your brain thinks:
“If I can just understand this fully, I’ll feel better.”
No you won’t.
You will just get very tired and overthinky.
You weren’t playing a fair game.
You were dealing with someone who:
- lied by omission,
- withheld information,
- manipulated the rules,
- changed stories,
- used your empathy against you.
You can’t “figure out” madness like it’s a puzzle. It’s not Sudoku, it’s emotional warfare.
The Fantasy Version of Them Is Haunting You
You’re not just obsessed with who they were.
You’re obsessed with:
- who they were at the beginning,
- who they could have been,
- who they pretended to be,
- who you thought they might become if you loved them hard enough.
That version?
The “soulmate”, the “twin flame”, the “maybe one day they’ll change” fantasy?
That person does not exist.
They were not “two different people”.
They were one person who used the nice version to keep you attached and the cruel version to stay in control.
Social Media Is Feeding the Obsession
Let’s call it out:
- Checking their Instagram “just to see”…
- Watching their stories anonymously…
- Stalking their new supply…
- Re-reading old chats…
All that?
That’s emotional self-harm dressed up as curiosity.
Every time you do it, your brain gets:
- a spike of adrenaline,
- a hit of pain,
- a burst of fantasy,
- a reset of the trauma loop.
And then you wonder why you’re still obsessed.
It’s not because you’re weak.
It’s because you keep feeding your brain tiny doses of them like emotional nicotine.
Okay, So How Do I Actually Stop Being Obsessed With My Toxic Ex?
Here’s where we get practical, savage and kind all at once.
1. Call It a Trauma Bond, Not “One True Love”
Words matter.
Every time your mind spins into:
- “But we had such a connection…”
- “No one’s ever understood me like that…”
- “They’re my soulmate…”
Interrupt yourself with:
“Nope. That was a trauma bond dressed up as love.”
You can’t heal what you keep romanticising.
2. Go No Contact (Or the Closest Thing to It)
Block if you can.
Mute if you must.
Stop checking their online shit like it’s your emotional job.
Every point of contact keeps the obsession alive.
Think of it like sobriety:
You can’t “cut down” on a person you’re addicted to. You have to detox.
(Again: Sober Not Sorry overlaps here a LOT.)
3. Stop Arguing With Reality
You replay the “good times” on loop, but let’s include the full playlist:
- the lies,
- the silent treatments,
- the gaslighting,
- the nights you cried yourself to sleep,
- the stress,
- the walking on eggshells,
- the feeling of never being enough.
Obsession thrives on selective memory.
Reality kills the fantasy.
4. Give Your Brain a New Project (You)
Your brain clearly has incredible focus. It’s just been wasting it on a walking red flag.
So you redirect:
- What do I want my life to look like in 1 year?
- What kind of love do I actually want?
- What habits am I done with?
- How can I rebuild my money, body, confidence, peace?
If you’re also cleaning up financial chaos after that relationship (or just life), How to Build Wealth on a Low Income is your “I’m never being dependent on bullshit again” manual.
5. Raise Your Self-Respect Stock Price™
Obsession shrinks when self-respect grows.
Start doing micro things that say:
- “I deserve better.”
- “My feelings matter.”
- “My peace is not negotiable.”
Examples:
- Not replying to late-night “you up?” messages from anyone, ever.
- Leaving instead of explaining yourself to someone who doesn’t listen.
- Choosing rest over doomscrolling their profile.
- Taking one tiny step each day toward the life you actually want.
Every self-respect decision turns the volume down on your obsession.
6. Accept That Wanting Them and Needing to Leave Can Exist Together
You might still want them.
You might still miss them.
You might still feel an urge to check on them.
That doesn’t mean you’re supposed to go back.
It means your brain is still catching up with your decision to save your own life.
You can hold both truths:
- “Part of me wants them.”
- “All of me deserves better.”
The Day Your Obsession Fades
One day, you’ll realise you haven’t checked their socials in weeks.
One day, their name will pop up and your body won’t clench.
One day, you’ll think:
“What the actual hell did I ever see in you?”
That day is coming.
Not because they changed.
Not because they came back.
Not because they finally apologised.
But because you stopped worshipping your wound and started worshipping your healing instead.
You’re not obsessed. You’re recovering.
And recovery is louder than any ex.
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