Don't worry ... Be HAPPY !!!
Your obviously a Good Looking Young Guy who has nothing to worry about!!!
Looks like a HOT BODY and a Nice Cock to me ... there's nothing wrong with you !!!
As for premature ejaculation ... take it easy ... enjoy yourself ... you'll gain more control of the situation with practice ...
You have nothing to worry about !!!!
P.S. Your HOT ... I'd be ON MY KNEES in a minute ...