I stopped using a todo list a while back. I put tasks into my calendar as meetings, then reschedule those meetings if I need to. Having all of the work already assigned a time slot (sometimes far in the future) means that when I have nothing scheduled, I don’t feel like I should be taking an item off the todo list: it’s genuinely free time. I was surprised by the wave of emotion I felt when I deleted the giant todo list I’d been working from. I choked up a little. Whew. That thing had...