I have a crazy amount of different jobs, so the way I manage that is to not do more than one at a time. It's like old computers that had small memory chips, they would do something called swapping, where they would fill the memory with one task, do it and get it out.
Louis C. K.Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime. Leave the dude alone and he'll figure it out.
Louis C. K.