It is to laugh - Joe suffers from very bad headaches and eventually finds a doctor who offers a solution.

“The good news is that I can cure your headaches,” says the doctor. “The bad news is that it will require castration. You have a rare condition which causes your testicles to press against the base of your spine. It’s that pressure that causes the headaches.” Joe is shocked but decides he has no choice but to go under the knife. After the operation Joe feels much better and decides to treat himself to a new suit. He goes into a tailor’s to see what’s on offer. The tailor looks at him and says, “Let’s see. I’d guess you take a size 44 long?” Joe laughs, “That’s right. How did you know my exact size?” “It’s my job to know,” says the tailor. “How about a new shirt to go with it? I’d say you take a 34 sleeve and a 16 neck.” “Right again,” says Joe. “How did you know?” “It’s my job,” says the tailor. “How about some new underwear as well? Let’s see, I’d say you’re a size 36.” Joe laughs, “Got you that time. I’m actually a 34. I’ve worn size 34 since I was 18.” The tailor tuts, “You shouldn’t do that, sir. You see a size 34 would press your testicles against your spine and give you terrible headaches.”