Is he cheating?

Whether he's just saying this to hurt you or not, you know that he would have to at least have the thought in his mind to say something like that in the middle of a fight. So even if he hasn't cheated on you, the idea at least crosses his mind often enough for him to remember it.

I know there are people who say things with the intentions of hurting you when you fight. But I was always taught that behind every joke and anything we say in general there ls truth.

With that being said I think there is a possibility that he has cheated and only takes it back. Once he has time to realize what he let slip out his mouth. If this is the case he doesn't care about you. On the other hand like I said in the beginning he may just being saying this because he knows what hurts your heart the most. Either way you don't win. Sorry

Well that is a problem, to know the truth you need to really know your man. I bet you know when your man is lying and not. Look for those key things. If he looks away when you ask him (after the fight in fights people will look their opponent eye to eye) if he widens his eyes too much it's showing false sincerity if he looks away the same. If he fidgets or touches his clothes it shows a lie, if he slightly blushes he may be lying.

I'm not saying all of these are full proof again you need to know you're man, personally I think he may have cheated people say mean thing in fights always but they make up random events they they constantly say. If all else fails get him drunk enough and ask him then drunken words are honest thoughts, also you could try asking when he is sleeping or at nights, mens testosterone is lower at night so they aren't so defensive late night. Hope everything works out for you!