If you're out in conditions that warrant heaving to in a Rhodes 19, you should have stayed in port in the first place. Unless you feel like having a picnic lunch without having to anchor.
A. Good learning experience that can be applied to bigger boats.
B. Put in/shake out reef.
D. Teach sailors-in-training how to stop the boat and hold it roughly steady with the sails up in case the skipper falls out.
E. It's cool to show guests the sails working against themselves instead of together.
F. Switch roles in the boat when it's "crowded."