“Have you no sense of humor?” Sylvia says. Earlier in the evening, she had jokingly referred to Henry—who suffers from male-pattern baldness—as “Cue Ball” in front of their friends at the Eagle Cove Yachting Club. Now Henry is sulking. He might have been a good sport about it, but Henry, an engineer having a keen intelligence for machines, has none for humans, especially Silvia. He reasons, falsely, that if only he could grow hair, he would escape his wife’s withering remarks. So, Henry sees his family doctor. The doctor writes him a prescription for Propecia. By now we’ve all seen the ads on television for the newly FDA-approved medication. A soft lulling music plays while a voice-over—as consoling as a funeral counselor—reads a list of possible contraindications: drowsiness, burning, tingling sensations, difficult bowel movements, seizures, and on and on with the tag…