Married couple are sitting on the couch watching TV. Husband has remote control and is switching channels constantly.
First golf channel, then porn channel, then golf channel, then porn channel, then golf channel, then porn channel, then golf channel, then porn channel, then golf channel, then porn channel, then golf channel, then porn channel, then golf. channel. After two minutes the wife says "for fuck's sake won't you leave it on the porn channel, you know how to play golf"