It's No Laughing Matter

From Irene

"Of course I won't laugh," the Urologist said. "I'm a professional. In over twenty years I've never laughed at a patient."
"Okay then," Jack said, and proceeded to drop his trousers revealing the tiniest "wiener" the doctor had ever seen. It couldn't have been size of a peanut.
Unable to control himself, the Urologist started giggling, and then fell laughing to the floor. Ten minutes later he was able to struggle to his feet and regain his composure.
"I'm so sorry," said the Urologist. "I really am.....I don't know what came over me. On my honor as a professional and a gentleman, I promise it won't happen again. Now what seems to be the problem?"
Jack replied, "It's swollen..... "