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<p>What’s the difference? He could both be a stalker and like you at the same time. I was personally in that situation when I had an unhealthy obsession with a girl back in high school. Looking back on it today, I was hella creepy.</p>
<p>In any case, I think it’s pretty clear that he likes you. Otherwise, the nervousness wouldn’t be there. IMO, he just needs a little more tact.</p>
<p>If you like him back, I think you should make the first move at this point. Why don’t you ask him out on a date? In this time and day, it’s OK for the girl to do it, and it’s OK to be overt. Might be relieving to settle it once and for all.</p>