Originally Posted by Dildozer

It's called performance anxiety and it's very common these days.

Personally i've had it happen not long ago, 2 times the 2 times i was with a girl. Seems I would put too much pressure on myself instead of enjoying the moment. Then this girl I'm totally in love with came into my life and I had it only once since (first days) and we've been fucking like bunnies for the past month.