guys naked

Hello! I saw a video here and on Twitter some time ago and I can't find it anymore. It’s an amateur video filmed from afar where there is a group of guys, quite young, on a "rocky" part of a beach: initially they put on their swimsuits, then they start taking them off and jerking off. They’re...

I have heard from a straight young friend that is impossible to him to have a hard on seeing a guy naked or with that guy with a hard on. Nothing moves him. I am aware that if you don't want to make that situation sexual it doesn't happen (the hard on) (talking about myself). The question is...