When the other caddies start catching on to your habits, it's time to shake things up. Last week in a practice round one of the caddies in my group repeatedly described the club he was pulling as stock, as in "stock six-iron" or "stock eight-iron." We were all tired of hearing it, so I finally said to him, "If you don't get some new material, your next job is going to be as a stockboy at Publix." Of course, when a player gets tired of your act, you've got to defend yourself. Payne Stewart once complained that all my yardages ended in a zero or a five. "Linn," he said, "how come you never say it's 153 or 178?" I said, "Because you're not that good."