Answers:
http://www.coolnurse.com/penis_size.htm...
13cm to 17cm is ok!
150 foot ;)
chill dude
It's said that the average american is 5.5" long, however near that one said see also sometimes have something to do beside it. Asians mortal .5" on average shorter, and African Americans human being .5" longer on average. Though within's no necessitate to be concerned beside doesn`t matter what penis size you own.
7.5
bet a nickel your below 21? if you are... my nickel, anyway if ur not youll grow until later, anyway, 4"-7" ish