Help what u think ?

So I found husband pof dating website and I got in but I couldn’t see the girls he was talking to cause they were deleted one day I tried to talk to him about it he denied it and told me he doesn’t know how his pic got there on his tablet and so after that he use to come home for lunch and show up out of nowhere and now he doesn’t and he says he doesn’t have to take a lunch break well this guy who lives in the apartment complex works at the same job as husband and he says it’s against work policy u have to take a lunch and he been on this app since aug and found out 3 weeks ago I don’t know what to do