i was watching a comedy w/ 2 friends- a guy and a girl. the girl sat in the chair and the guy and i sat on the couch. during the movie i stayed in the same spot- but he moved around a bit: when i licked my lips, out of the corner of my eye i saw him begin to do so(it's his house, so he could've gotten water if he wanted...) at certain points in the movie he would lift himself and move slightly closer to the opposite side of the couch that was empty. i'm pretty sure that there's a mutual attraction on some level, so-what does this mean?