It's easy to feel suspicious when your bloke starts acting out of character, but how can you work out if he's stressed at work, breaking old habits or playing away?
According to the experts, there are a few tell-tale signs that your partner could be cheating. From being weird around his phone and laptop to arriving home at odd times with no explanation.
You might be being paranoid, but what if there's a niggling doubt you just can't put your finger on?
If your gut is telling you to point fingers, take a look at these six signs that he might be playing away from home...
What do you think?
ZAYN MALIK AND PERRIE EDWARDS MEET AFTER CHEAT CLAIMS
DID KIM KARDASHIAN CHEAT ON HER EX WITH KANYE?
SPENCER MATTHEWS: "I SHOULDN'T HAVE CHEATED ON LOUISE"