Strange acrobatics
When I was very young, I learned the skills of walking on eggshells. I got them from my mom, for sure, because she was a master of such craft. I practiced them for a while, and was quite good at. They required steady concentration that would drain me at times. Then, due to change of terrain, I ceased to exercise them. So, once known by heart, they were almost forgotten... But I've grown lighter and lighter, so they are not needed anyway, nor missed...