Ah, but for Dan it's not just a golf thing, it's a dedicated practice thing as well. Whereas before he had tried things as experiments and (at least in the fiel

Ah, but for Dan it's not just a golf thing, it's a dedicated practice thing as well. Whereas before he had tried things as experiments and (at least in the field of commercial photography) become competent, this time the measures of success include not just acquired skill but also the duration of focused practice. As his family and advisors reported in the article, this isn't just different from what he's done before, it's different from what most (all?) people have done before.