What do you do if you suspect your partner is cheating but you have no proof?

What would you do if you suspected your partner was cheating on you. You have asked him but he says no. You have a gut feeling he is and things have been off lately. Do you just leave even though you don’t know for sure if he’s cheating and have no proof, or do you investigate to see what’s going on?

Not going through this. Just a general discussion!

Vote below to see results!