Have you ever seen some of these girls? Hell yes they serve a purpose.
Then again it is kind of neat to see them marry the `jock' who ends up being el senior loser and she gets ugly and fat. That is kind of funny in it's own way in neat ironic way.
For those still in high school: 2 minutes after you graduate none of the status from high school means ****. Everybody is back to 0, and some people stay there. :D
