When you add too many things on the to-do list, it would be frustrating because of lack of time or whatever reason if that task didn't complete. Instead, have few things on a to-do list and do it peacefully.

Self edification and knowledge sharing. I’m attracted to “just-in-time” learning where I can immerse myself in a subject and become a conversational expert in a condensed period of time. Part of my enjoyment is in the mastery of the subject itself, but another part is sharing it with friends or co-workers.