Then lunch time will come, but you won't feel like eating. You will instead feel like turning off all the lights and burying your face in a pillow for an hour, not for a real nap, but just to turn everything off.
I had always imagined that if one of my parents' health was failing, it would be such a long, drawn-out process that I would have time to get home to them, to say goodbye. But my dad had died and I hadn't even seen him in four months.