We all have many things in common: birth and death, gender, nervous systems, skeletons, minds and feelings, genetic endowments. If we look, what differs most strikingly are our habitual movements and postures and their extraordinary variation in degree of ease and grace.
Gravity is a universally shared part of all our lives–consistent in itself–yet we struggle with and utilize it in wildly different ways. Much of this comes from confusing the habitual with easy – thinking that the familiar is also preferable. Actually, it is often not your friend.