Here are some top reasons:
He's got a pretty chiseled head and a very fluffy dog.
He likes to climb on things.
There's a small village of people living in his beard. That is, when he has a beard.
He's comfortable with himself.
Really comfortable.
He's pretty flexible.
He's pretty large in stature.

He likes to do manly things.
He can transmit radio-waves from his hair.
He's my best friend.
Happy 6 years stinky!