Verified answer

It's about reproduction.

Large breasts mean larger milk reserves, which means that babies can feed better.

Larger butts mean wider hips, which makes for easier birth. An easier birth means that a surviving child is more likely.

They like the vagina because a) it's how babies get made and b) it's pleasurable for a man to be inside a vagina.

The arm, shin and neck don't offer any information about reproduction so we're not hard-wired to look at those things.

It's a survival instinct that helps to keep our species going. We are all hard wired to find certain things attractive.

some guys look at eyes..stomach..nose..ect ect