I try to be anti-busy. My schedule is mostly clear and very little of my work is time-sensitive. I let the most important task float to the surface. I like to keep my energy for frequent and unpredictable bursts of inspiration.

I know that some people love to be put to work, and wouldn't have it any other way, but that's not my case. I did poorly in university, because my coursework didn't let me pursue anything that actually tickled my curiosity. I learned to love physics much later, when I could approach it at my own pace.

This loose schedule approach has worked much better for me. I get much more done in unscheduled bursts of focused work. I always have time for people and play, and I tackle tasks with a clear and focused mind.