I forgot to add this one to my list, but it's exactly what I've been trying for the past few days, after I was reminded of it after hearing John Carmack, in a podcast, talk about learning things deeply.

This is one of the reasons I'm dissatisfied with myself. My greatest successes have been when I applied full attention to details out of frustration, which have been rare. I genuinely believe that my life would drastically improve if I'd stop rushing from one thing to another.