QUOTE:
""I like violent sports," says Andrews, who also participates in mixed martial arts. "I like hitting you. I like getting hit. I like competing man to man to see who the better man is that day.""
UNQUOTE

Testosterone has a lot to answer for.

(I have a cartoon of two male Bighorn sheep knocking heads on a mountainside, as two female sheep watch... One of the females says to the other... "It's a guy thing.")