darkest I read your comment and it absolutely wasn't ageist at all.....think some things are taken out of proportion for the sake of it.
Anyway as we were.....Op, I hope you're feeling a little better, although I guess that's doubtful, but at least beginning to get things a little clearer in your mind.
I really feel for you. I'd absolutely hate it if dh had a lap dance, but I was going along with your dp getting swept along with it, being shitfaces, not paying for it, having it booked for him etc and was going to suggest you slept on it then sat down and had a thorough clearing the air session with him and try and make some sense of it all.
THEN I read that he had the lap dance because he was 'curious' and my blood boiled. That meant he actually made the decision to have it, even though he knew how you would react....that puts a whole different slant on it. I have no advice really, but I do advise you to think very carefully about the character of this man.
I asked my dh what he thought about it, get the man's perspective as it were, and he said exactly the same. Your partner had a choice, he was able to decide what to do.....
And that sodding best man would have had his arse kicked clean out the door if he'd said that to me, the bastard.