The average erect size is 6 inches... Flacod you shouldn't really care about tho...
And 15 is pretty young.. in the way that men puberty ends at 20-21
So don't worry, and have fun
EDIT: ^^ they beat me to it
Odi et amo. Quare id faciam, fortasse requiris.
Nescio, sed fieri sentio et excrucior.
~Harrie's proud brother!~