PumpJack McGee wrote...
40 year old going with a bunch of 16 year olds is perfectly fine too.
Just pretend you're their Anime-Enthusiastic Guardian... Or grow a Pedo-Stache and wear a camera and show us other people's faces as they look at you.
But seriously, if you don't give a crap what others think, the old saying "You're only as old as you feel" comes to mind.
(But if you do care, then 35+ is a good time to stop going if it's bothering you that much.)