I am sixteen years old, and when i get an erection, i can pull it back, but once i let go, it rolls up almost instantly, unless i tense the top of my penis then it gets stuck under the corona... And i have also noticed that my bango string is quite short, is this myabe the reason that this happens, i do wash it alot, and it is hygenic, and not very sensitive...but this really gets to me... wont girls be like... what the f**k is wrong with ur penis!?!? please help! :-(