Why does my teacher do this?

He calls me “baby” or some nickname variant of my name to only me and no one else. he's always calling me a cutie or complimenting my appearance in some way etc etc and gives me a LOT of extra attention compared to anyone else. I know he's probably just being a nice teacher but i can't help but feel a little uncomfortable bc it feels like he's always watching me.
Why does my teacher do this?
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