Yoga Sutra 3.40 Lightness and levitation

Is it possible to leave the body at will? How familiar are you with your vital energy and its subtle aspects? How does the feeling of lightness operate in your being?    What thoughts and actions contribute to feeling light and buoyant?   Where do the sensations of lightness arise?   How do they travel?   https://simple-yoga.org/ This is an excerpt from the book Unravel the Thread available at:  Amazon https://www.amazon.com/dp/1737648202/ and Barnes & Noble  https://www.barnesandnoble.com/w/unravel-the-thread-rub-n-v-squez/1139928755