It's a silly idea for a hack. If I can do it for 20 minutes, I can (and will, if necessary) do it for 8 hours; it's getting started with that first 20 minutes

It's a silly idea for a hack. If I can do it for 20 minutes, I can (and will, if necessary) do it for 8 hours; it's getting started with that first 20 minutes that holds me up.