"You know, when we were kids we never played 'doctor'."
"Sue, what are you talking about?"
"At lunch yesterday Marge told us about the times that she and her brother played 'doctor'. You know, you show me yours and I show your mine. We never did that."
"I didn't realize how much I missed growing up. What do you have on your mind?"
"I'm still a virgin. Are you?"
"Yeah."
"I want to play doctor with my brother. Can we do that?"
"Maybe a little late. Usually kids do it. We're eighteen."
"So what. You and I are not only fraternal twins, but best friends. We share everything. There's no...