Karate cannot be adequately learned in a short space of time. Like a torpid bull, regardless of how slowly it moves, it will eventually cover a thousand miles. So too, for one who resolves to study Karate diligently two or three hours every day. After three or four years of unremitting effort one's body will undergo a great transformation revealing the very essence of Karate.
You know, there are those writers who work at writing every day. I'm not one of those guys. I tend to work at varying levels of intensity, based on the amount of time and energy I have available.