Doonesbury by Garry Trudeau for April 16, 1971
B.D.: Say, Molly. Our relationship's getting stale, so I've decided to bag it, O.K.? Good by, now! Mark: Boy, B.D., you really treat women like dirt! When a girl ceases to entertain you, you just dispose of her... B.D.: I am not disposing of her... I'm recycling her.