What does it mean when a guy you used to be in the talking stage with keeps staring at you at a party?

So I was at a white elephant Christmas party and this guy I used to be in the talking stage with kept staring at me and finding every chance to sit next to me, even at the after party. Is it possible he’s still interested?

What does it mean when a guy you used to be in the talking stage with keeps staring at you at a party?
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