6" is the normal for an erect penis.
About average
as long as it's not concave, you're good.
That's good. the average penis length is about 5-6 inches, so you're good.
You can marry someone if you've got a 1 inch penis. A girl should marry you cause she loves you not for your penis size.
Naturally, you can't. The only way is surgery or growth injections
The average penis size for an adult is 3-4 inches flaccid and 5-6 inches erect.
Yes, I believe the average penis size is 6 3/4 inches.
The average penis size in Asian countries is the same as in every other country, about 5.5-6 inches when erect, as measured on the top of the penis.
over 16 inches and under 4 for a grown man
Depends on whether your penis is erect or flacid. Also, if you are Chinese I wouldn't worry - you're ahead of them in terms of penis size.
That is okay. Penis sizes vary a lot from person-to-person.
Everyone has a different size penis so don't worry. If it works correctly then that is all that matters. The average size penis for an adult is 3-4 inches flaccid and 6 inches erect. Hope that makes you feel better !