12 years counting from when puberty started.
They don't it's physically impossible There is a sexual activity called 'docking' in which a boy (or man) inserts the end of his penis inside the foreskin of his partner's penis.
a penis
say "i want to see your penis"
Boys have a Penis. Girls have a Vagina and Boobs.
No, because boys have small penis's
Boys have a penis a willy a winky and girls don't
boys have a penis and girls have vagina's :)
new boys
Penis and testicles
It isn't
Boys go to the bathroom by standing up and holding their penis.
Most men and boys have a small opening in the end of their penis. The same opening is used for both sperm and for urine. Some boys who have a specific medical condition might not have the opening in the tip of their penis but might instead it might be situated some place else on their penis, usually somewhere on the underside.