A girl goes into the doctor's office for a checkup. As she takes off
her blouse, he notices a red "H"on her chest. "How did you get
that mark on your chest?" asks the doctor. "Oh, my boyfriend went
to Harvard and he's so proud of it that he never takes off his
Harvard sweatshirt, even when we make love," she replies. A couple
of days later, another girl comes in for a checkup. As she takes
off her blouse, he notices a blue "Y" on her chest. "How did you
get that blue mark on your chest?" asks the doctor. "Oh my boyfriend
went to Yale and he's so proud of it that he never takes off his Yale
sweatshirt when we make love,"she replies. A couple of days later,
another girl comes in for a checkup. As she takes off her blouse,
he notices a green "M" on her chest. "Do you have a boyfriend in
Michigan?" asks the doctor. "No, but I have a girlfriend at
Wisconsin. Why do you ask."