I don't have a very disciplined approach to practicing or anything, but I do tend to have a guitar around most of the time, which I strum on most of the day.
Whatever art form you're working in, it's crucial to see it clearly, to feel it clearly, and not to worry about the results, or how someone else will see it.
I have reached the conclusion that those who have physical courage also have moral courage. Physical courage is a great test.