If my dad wasn't one of them, I wouldn't know there are actually people who hear their alarms and don't automatically grumble every curse word they can think of.
So, yeah, something really exciting has to be planned for a day if I'm starting it with a smile. But some mornings just ensure that our mouths stay perfectly frowny until lunch.
And these people just learned the hard way what one of those mornings feels like. If you see them, just let them live.