Life is full of irony. Finding the paradoxes and humor in life, may be one of it's most interesting aspects. Logic and projection are key. Mirroring, humor, and sarcasm, may go hand-in-hand in relationship to wit and defense mechanisms of we human beings. Also, relationships and associations are key in the perception of those paradoxes, and connecting-the-dots of some of life's (humorous) puzzles.
Talk Is Cheap: Sarcasm, Alienation, and the Evolution of Language