I remember playing with a neighbor down here in a fun round and he would know my score. At the end of the round he would say you were 2 under or whatever I was. I am saying 2 under as I sound better
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After that is was a minor mental challenge to ignore the fact this friend was watching my game so closely, tracking my score. That is just another part of golf which makes the game so tough IMO, I had to put that thought out of my head and just play.