I think my fiancé is cheating on me...

Sadella
He's on this website called snapsext, yes I snooped I looked at his email and saw that he signed up for it... Like wtf!! I don't even know what to do I have a son with him, I love this man with all my heart I don't want to believe that he's cheating. the website is to swap pictures and have phone sex with random women.... I think the only reason why he's cheating is beside we're not having sex right now(I'm on my period) but it's only been 6 days like come on! And he also recovered his pornhub password( I have no problem with porn). And I think he's flirting with his coworkers as well, he met a random girl on the train while going to work but he won't tell me who talked to who first. He got her a job. Like what are you doing?!! What do I do??