...have Homework in P.E. ! What kind of substitute P.E. Coach gives homework?!?!?
One that tells his students the first day he's going to be trying new things, experimenting on them (which did cause quite a few 7th grade eyebrows to rise, until I assured them I did not mean "experiment" in the mad scientist sense), honing his skills and trying to get better as a teacher/coach. So yes, they have homework: find a quote connected to physical education* that will encourage/inspire/motivate them. And no, "Just Do It" is not allowed.
*sports, fitness, nutrition, outdoors, health...