Or your kid is in the middle of a game with a friend. Or you're not feeling particularly patient. You may indeed spend that hour with your kid, but chances are that neither of you will have much fun. It was just time. Our attitude towards time in general has changed.
Time is now something to use rather than something to be in.
Mia's husband, Jesse, is more direct. It was only after an hour of walking together than he began to open up and talk about something besides baseball. Time with no expectations of quality interaction. Just plain old hanging-around time. And real things happen in the context of larger amounts of time in which nothing much happens.