Here's some wise advice from Robert Heinlein's Citizen of the Galaxy. The context was running a business, but moms of young children will understand the need more than anyone!
"I'm so busy doing what I must do that I don't have time for what I ought to do ... and I never get a chance to do what I want to do!"
"Son, that's universal. The way to keep that recipe from killing you is to occasionally do what you want to do anyhow."
That's how I ended up re-reading this book. Feeling ill was keeping me from sleeping, so I got up and for some reason thought of the only Heinlein book that survived (because it was not with the rest) a long-ago bookshelf purge. Mostly if I'm awake I'd rather be working, but that formula does not play well when the body is demanding the mind's attention. Citizen of the Galaxy was the perfect diversion. And how nice it was to find this justification when I reached the penultimate page!
