Because its their private parts! LOL
compare them to other people's.
the genitals
Cats and other animals smell genitals because the aroma is an identifying mark. They may be checking to see if the kittens belong to them or a mate.
because the site of other peoples genitals is offencive to most people it may be a religious thing to some people and in other peoples cases who realy wants to see fat people's asse's all day long?
Two people, each with their head at the others crotch or genitals and perform oral sex on each other at the same time.
The genitals
The roman people's skills in diplomacy allow them to take over other people easily because they easily make people do what they want.
William Penn founded Pennsylvania to allow the Quakers (a group of religious people that thought that all people should be at peace with each other) to live according to their beliefs.
562.5 one man lost his foot other man lost his boingloins (genitals)
I think they are curious about what other men's genitals look like in case they feel their manhood is too small, too big, too thick or too thin. They like to compare and contrast. However, they are not turned on by other men's genitals unless they are bisexual or gay.
If you have both male and female genitals - yes. If you have one or the other - no.
Different alleles allow people to have different traits from each other.