Gratitude or Crush?

I have a good friend who has some friends who aren't very nice to him and I am one of the few who is nice and kind to him. We have conversations about anything and everything but one day he started complimenting me a lot (he usually compliments me a little) and also calling me things like "cutie" and "sweetie" which he has never done before...

Does he do this out of gratitude or does he have a crush on me?
Gratitude or Crush?
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