From Art of Manliness
As you listen to the finished art of the master genius, is the days and nights of consecrated toil, foregoing, not only dissipation, but even innocent pleasures others take as their natural right, that the artist might master and keep the mastery of the technique of his art.
What I do didn't come naturally. I spent 15-20 hours a day at a UNIX terminal for 10 years. I did then and still do choose to spend my time this way.