Who's Smarter?

A guy asked a girl in a library, “Do you mind if I sit beside you?”

The girl answered with a loud voice, “I DO NOT WANT TO SPEND THE NIGHT WITH YOU!!!!!”

All of the students in the library started staring at the guy. He was very embarrassed.

After a couple of minutes, the girl walked quietly to the guy’s table and told him, “I study psychology and I know what a man is thinking. 

Let me guess, you were embarrassed, huh?”

The guy responded with a loud voice,

“200 DOLLARS FOR ONE NIGHT?
THAT’S TOO MUCH”

…and all the people in the library looked at the girl in shock.

The guy leaned over and whispered, “I study Law, and I know how to make people look guilty.”