This guy in my history class is always sitting close to me. Sometimes he stands behind me and does not say anything. He also sits in front of me and stretches his arms all the way back like every 5 minutes and tries to put his hands close to my face while doing that. We do not really talk, but he is always around me and acts kind of weird. The other day he literally invaded my personal space and did not say anything. I tried to move away from him and he moved closer. Why does he act like that? Do you think he might like me?