yes it will because it hardens the penis.
There are no vitamins, supplements, or medications that have been proven to have any lasting effect on penis size.
Yes, the penis makes its most dramatic increase in size during puberty.
average
yes
Possibly.Most likely.
8 inch and 6 inch are above average for length and girth, respectively.
no
A square one :) Hopefully you mean 5.5 inches in circumference, not girth :)
Sorry, but no. The penis usually stops growing alltogether around age 21, 23 at the latest
YES
Pretty basic science skills are needed, yes, like"the penis goes into 'X' "
Genetics. Sorry.