After a year or two of coaching my college golf team, I came up with a challenge for them, as they would make too many stupid mistakes on the par fives in particular, and on too many par fours trying to hit a hero shot when they got into trouble.
The challenge? It's simple: don't make a six (or higher).
Despite many, many rounds in the 70s or low 80s, and 75 rounds played in total, we have still only had about seven successfully completed rounds.
I almost never have a six. Greater than half of my rounds are played without a six. I'll take a bogey on a par four, and I rarely boge