Mrs. Ottawacker's regimen for happiness

Hers, that is, not Ottawacker Jr.'s - although in fairness, he enjoys it a lot too.

Find a hill. Find a child. Make child run up hill. And down again. And up again. And down again.

Stop only when child is crawling.

This is, by the way, the same hill up which I used to make the team I coached run in pre-season. Only they had a ball tied to their ankles.