Your penis is larger than most adult males
5.5" - 6" is the average size
Instinct and the need to continue the species
they swa animal and figured it out
after a while figured out that the activity produced a baby
Yes oral sex can transmit a STD
Yes, masturbation is a normal and healthy activity
most boys masturbate as do many girls
most main stream churches have no problem with masturbation
Semen can vary in color and consistency
clear to grey, runny to lumpy
Yes that is normal
all males have one testis that is larger than the other
one will also hang lower than the other so male can walk and run without injuring their testes
There are many reason possible but not knowing the age of you son it is hard to say
it would be best to take him to the doctor
That called pre-ejaculate or precum
I usually does not contain any sperm cells but there is always a chance that it might
