Santa calls up the doc at 2 am. “doc, my wife is having severe abdomen pain. i think it’s her appendix.”
“what nonsense!” says the doc sleepily. “i took out your wife’s appendix two years ago. go back to sleep.”
five minutes later, the phone rings and it’s santa again. “doc, i’m sure it’s her appendix.”
“oh god!” the doctor groaned. “did you ever hear of anyone having a second appendix?”
“no…”. says santa. “but i’m sure you must have heard of someone having a second wife..!”