I think time management as a label encourages people to view each 24-hour period as a slot in which they should pack as much as possible.
I had a 2-week courtship with a fellow student in the fiction workshop in Iowa and a 5-minute wedding in a lawyer's office above the coffee shop where we'd been having lunch that day. And so I sent a cable to my father saying, 'By the time you get this, Daddy, I'll already be Mrs. Blaise!'