"I think I have a problem, Doc," says a patient. "One of my balls has turned blue." The doctor examines the man briefly and concludes that the patient will die if he doesn't have his testicle removed. "Are you crazy?!" bursts the patient. "How could I let you do such a thing to me!" "You want to die?" asks the doctor rhetorically, at which point the patient has to agree to have his testicle removed. Two weeks after the operation, the patient comes back. "Doc, I don't know how to say this, but the other ball has turned blue, too." Again, the doctor tells him that if he wants to live, his o