Bumping into things would be too easy to do if I were not careful, and I wanted to avoid that. Handling items in microgravity quickly makes it clear that this is a different place. Although weightlessness feels like being in a pool, most things in water are not neutrally buoyant, so they either float or sink. Hence, things are always getting away from you. If you don't velcro them to something, they quickly move away from you.
Items feel different in microgravity.
Physically, I felt great in the beginning. Soon, however, I began to feel as though I were hanging upside down. It was much like hanging on a monkey bar as a kid. It brought back memories of I and a friend hanging upside down by our knees, and looking out at the world. Everything was upside down.