In 2003, the summer before my son was born, I cut 5 strokes of my handicap, went from a 20 to a 15. I practiced and played regularly and worked on stuff. During the summer of 2004, it went back up to an 18. In the ensuing 15 years I have managed to whittle of a stroke here and there and got myself down to a 13. Of course this is almost completely based on playing at my home course. I seem to collapse completely when I play away from home