Why do HighSchool Jocks get so phobic, when in fact they compare their dongs in the Locker Room?

They compare dongs for the same reason that bucks wrestle with their antlers or rams heads. It's a competition of manliness to them. They're s because its instinctive. I have no problem with s but I'm a . Just like I know that crawling underneath a dark bed won't hurt me but I'm still very claustrophobic of it.