A man goes to the doctor and says, “I have this problem with gas, but it really doesn’t bother me too much. They never smell and are always silent. As a matter of fact, I’ve farted at least ten times since I’ve been here in your office. You didn’t know I was farting because they don’t smell and are silent.”
On this the doctor says, “I see your problem, take these pills and come back to see me next week.”
The next week the man goes back. “Doctor”, he says, “I don’t know what the hell you gave me, but now my farts – although still silent – stink terribly.”
The doctor says, “Good! Now that we’ve cleared up your sinuses, let’s work on your hearing…”.