Answer:
~It doesn't depend entirely on the size of your penis. You need to have skills in performing oral on her and giving her orgasms. Foreplay is very important. If you can do that effectively, the rest doesn't matter as much.
You still have growing to do anyhow, don't worry about it.~
y is it that people these days only focus their minds on sex and anything below the waist.
You have more than enough for when you are older...
5 is fine, but you sound to young to be thinking like that