this is another question about girls. ive been hangin out with a girl for a while, we havent hooked up yet and this is why...shes my friends little sister, and shes only 16. im gunna be 20 on the 18th. do you think its messed up to go out with your friends sister? and how young is too young, when im with just her everythings cool, but when im around all my friends too, i feel liek she is just too young. what do you guys think.