10,000 hours of practice

There's a theory out there that you need 10,000 hours of practice to become an expert in just about anything.  That's a lot of practice.  But to be really good at something you need to practice a lot.  To be a great orienteer, you need to do a lot of orienteering training.

I've been casually following Dan.  Dan is in the early phases of an experiment.  He started to play golf with the idea of