But when I’m jumping, it’s as if my feelings are going upward to the sky. Really, my urge to be swallowed up by the sky is enough to make my heart quiver. When I’m jumping, I can feel my body parts really well, too—my bounding legs and my clapping hands—and that makes me feel so, so good. So that’s one reason why I jump, and recently I’ve noticed another reason. People with autism react physically to feelings of happiness and sadness. So when something happens that affects me emotionally, my body seizes up as if struck by lightning.