This seems to involved something conceptually similar the part of unscheduling (http://www.lifeclever.com/how-to-unschedule-your-work-and-enjoy-guilt-free-play/

This seems to involved something conceptually similar the part of unscheduling (http://www.lifeclever.com/how-to-unschedule-your-work-and-enjoy-guilt-free-play/ http://www.lifeclever.com/how-to-unschedule-your-work-and-en...) that has one fill in the calendar with all the non-work things one is going to do. Thus one sees how little time is actually available to get something done, and so not wasting it gets easier.