Nudity is who people are at the most interesting point of the evening, when they take off their protective layer, when no one is watching.
I took group lessons at a rink near my home. We first had to learn how to stand up on the ice wearing skates. Eventually we learned to move forward, but soon found out that it was not that easy to stop! So that was our next important lesson.
There are times when the writers ask us to improvise. Sometimes the animators are inspired by what you do, and sometimes you are inspired by what the animators do.