A bit of context, my husband and I stayed when I was in my late teens/early 20’s. Our relationship ended because he was messaging other girls. Some years later I met someone else, we had a daughter and that relationship slowly broke down for various reasons. I got reacquainted with my now husband and he seemed to have grown up (being in his mid 30’s) and thing progressed and we married last October. Our relationship has been volatile and over the last 6-8 months hasn’t been so great. I’ve had family issues and have been a bit distant and cold. We had a talk a couple of weeks ago and talked about counselling, he feels neglected, I feel like I can’t win with anything. The following week I saw a message on his phone from a female name, it was relatively neutral but had lots of kisses and a heart eye emoji. This bothered me and I tried to log into his email on my phone and found he had an account for POF (registered last year) and a swingers site. I searched his username on the latter and he has a full profile with photo and it’s verified, which from what I gather means he’s met up with someone/a couple. He’s been active on there recently and I don’t know what to do, I know he’ll have an excuse/reason