My Rule:

All the people I know that are extremely attractive (males and females) don't have any focused interests.

They aren't bothered about anything. Films, music, anything. They're mostly apathetic towards most of it and MOST of the time don't have many opinions on it.

The one thing they are extremely interested in is, obviously, themselves and their looks.

This is why bands don't have ABSOLUTELY STUNNING members, and its why they never have had.

There are very rare exceptions though, one being Juanita Stein from Howling Bells.