The last couple of years I've been doing 2-3 long term projects at once. I try to work project on one project at a time for a few days or week. The sort of pro

The last couple of years I've been doing 2-3 long term projects at once. I try to work project on one project at a time for a few days or week. The sort of problems I work on sometimes don't have obvious answers so thinking about one project exclusively means that sometimes I wake up with the answer.