I have had 4 or 5 - they were so enjoyable I lost count.... to me the "preparation" has always been the worst part.
Best wishes to your son Gary for his venture into "what we do when we become older and wiser"....
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Randy
PA4X, SX900 (Baby Genos), Roland U-20, L1 Compact, Way 2 Many Saxes
"My computer beats me routinely at chess - but it's NO MATCH for me at kick boxing!"