Read on the treadmill. Or videos, Udacity courses, etc - hard stuff, not novels. Two birds one stone, blood-pumping and endorphins helping maintain focus. I ge

Read on the treadmill. Or videos, Udacity courses, etc - hard stuff, not novels. Two birds one stone, blood-pumping and endorphins helping maintain focus. I get a quality hour of education every day, where before it was a constant TODO.