I work out Monday, Tuesday, Wednesday; take Thursday off; then I work out Friday and Saturday. So sometimes I'll eat whatever I want on Thursday, like a big breakfast of pancakes and bacon and eggs and stuff. You can eat a big, hearty breakfast because you're going to burn off most of it during the day anyway.
Everything requires time. It is the only truly universal condition. All work takes place in time and uses up time. Yet most people take for granted this unique, irreplaceable, and necessary resource. Nothing else, perhaps, distinguishes effective executives as much as their tender loving care of time.