Trust is important in any healthy relationship, right?

In other words, knowing how to catch a cheater has largely fallenunfairlyon the injured party.

(Case in point: It was Madix who found the incriminating video on her ex’s phone.)

signs of cheating illustration

Design by Channing Smith

But how it’s possible for you to you protect yourself?

They regularly accuseyouof cheating.

Theyre taking out a lot of cash withdrawals.

Two women embracing with one looking away.

We asked real women how they define cheating in their relationships.

Spoiler alert: there are a lot of gray areas.

Theyve got new sex moves.

article image

Theyre suddenly hypercritical of you.

Your typical relationship issues seem to disappear without an obvious answer for why.

Theyre paying more attention to their looks.

celebrity couples rebounding

They forget what stories theyve told you.

If your partner frequently starts stories with, “Did I tell you this already?”

it could mean they’re having trouble keeping track of multiple confidants, says psychologistColleen Long, PsyD.

article image

Theyre confiding in you less.

Even if they’re not sleeping with anyone else, this could point towardemotional cheatingin a relationship.

They keep strict tabs on your schedule.

They have random new hobbies or interests.

It turned out his secret girlfriend was a member.

Your relationship started as an affair.

For some people, there is some truth to the saying once a cheater, always a cheater.

Celebrities have been getting their fill of the time-honored, post-breakup ritual this summer.

They might be onto something.

Cheating was accepted in their family.

Looking back, John thinks his ex’s parents should’ve been a clue.

But her parents were still married.

So they set an example for their daughter to follow.

They get irate when you make a run at confront them.

They often try and shut you down and even criticize you for being too controlling or suspicious.

Theyre suddenly all lovey-dovey.

FromWhite Lotusto Adam Levine, we couldn’t get enough.

Theyre protective of their devices.

They may close their laptops more often and change screens when you enter the room.

Theyre pulling back from you.

Theyre reluctant about public outings.

If your partner wants to spend all your date nights at home, that could also point toward cheating.

A decrease in public outings without reason may indicate an issue.

This post, originally published in 2016, has been updated.