Fluffle Puff demands snuggles. Chrysalis can't provide them because of a trip. Fluffle Puff demands snuggles from Fluttershy now. Celestia help us all.
Anyone who has sought counsel from Princess Celestia has met Raven, her most faithful aide. She has been a veritable second shadow to the princess for as long as the castle staff can remember... longer than they can remember, in fact. Much longer.
Lists are a simple way to keep yourself productive. If the list is detailed enough, you don't have to even think. The movements become mechanical. Automatic. Which might just be exactly what she needs right now.