"Something on your mind, Sir?"

You stop and face the professor. "Something on your mind, Sir? You look like there's something else you want to say."

Looking both relieved and even more embarrassed, Clark nods and says, "Yes, there's something about Mark you should know…"

You listen, curious about what that could be. Is Mark criminally insane? A closet vegetable fucker? One of a thousand guys who has seen your sister naked? It's hard to imagine what could be making his father so uncomfortable that he's having trouble getting the words out.

You decide you need to say something to help your professor, but what?