"Toast, Tea, and To-Do Lists."

From time to time, I post short interviews with interesting people about their insights on happiness. During my study of happiness, I've noticed that I often learn more from one person's highly idiosyncratic experiences than I do from sources that detail universal principles or cite up-to-date studies. I'm much more likely to be convinced to try a piece of advice urged by a specific person who tells me that it worked for him or her, than by any other kind of argument.

Given my own topic, of...