First of all, yes, this is a extremely unusual situation. Second, I'm 99.99% sure it's not flirting, which makes me think it's some sort of power move. He seems a bit insecure (the scent of one's own) making it a possibility, and extremely awkward when it's happening. Every time it has happened, I try to ignore it, but when he rocks his leg back in forth, it makes it a lot more difficult to just sit there and pretend nothing is happening. This is a more detailed account of what happens:
He moves his leg so it's touching mine. I shrug it off and keep my leg there. He pushes his leg further, so I am forced to choose between keeping my leg there or moving it. I figure: “if I move it, I'm letting him win” so I stay put and this continues for the rest of class. Oh man. I can now see why this seems like he's flirting.
Well, whatever is really going on, I think the answer has become clear. I'm just going to call him on it as soon as it happens the next time. But this makes me want to ask another question. When really is confrontation necessary? When will avoidance be a more appropriate action?
Thanks.