i can but i am 230lbs and also 34 years old..so its not as good as someone weighing 185 doing it
but when you get older muscle maturity will kick in. word of advice since you guys are teens..dont...
it might be in your head. If you had a issue one time, then next time your will have alot of pressure on you and think about staying hard thus causing too much anxiety and your d*ck wont work for...
i am thinking about trying this since i think i am getting layed off soon.(damn baning crises) I am having trouble finding ACE and ACSM classes in RI. The gyms around here seem to be getting cheap...