I love parkour and love watching people do things that just seem to defy gravity and physics. Maybe it is because I know that this is something I could never ever do, even in my dreams because I am the clumsiest person I know.
While other people who are friends with gravity will look graceful like this:
If I tried to do anything remotely like parkour, I would look like this. Actually, I have successfully managed to look like this without even trying to do parkour. Yes, I am that good.