aven, I have given up smoking again!... God! I feel fit. Homicidal, but fit. A different man. Irritable, moody, depressed, rude, nervy, perhaps; but the lungs are fine.
There is no reason why a joke should not be appreciated more than once. Imagine how little good music there would be if, for example, a conductor refused to play Beethoven's Fifth Symphony on the ground that his audience might have heard it before.