He Is Still On Dating Sites

I just found out today that my booyfriend is still on several dating sites, all of which show that he has been on that certain website that very day ! What am I supposed to do ? I deactivated/deleted all my account of this nature right in front of him. I asked him about it and his reaction was that he was very angry about me questioning him about it and now has not respnded to any emails or texts which I sent him earlier this afternoon. It has been 4 hours and I’m at a loss….