Rule #16 - Ask youself if any of his lame excuses *really* make any sense. When in doubt, investigate. If it sounds too bizzarre (ie Cheese of the Month club) it probably isn't true.
You'd be surprised:
Cheese of the Month Club Rule #19 - He is not schizophrenic, he just has a bad habit of talking about himself in the third person.
Rule #20 - He is not schizophrenic but he can get jealous of himself. Don't pine over him when he is wearing the suit.
Rule #21 - Never give him a plain, monochromatic tie.