Staring and Smiling, what does it mean?

This guy always smiles while staring at me whenever we hang out. For example, I'll be talking to my other guy friend and I'll casually glance over at the named guy sitting near us, and he'll be looking at me smiling. Also sometimes he'll say something to me and we'll be standing in front of each other and he'll just be staring into my eyes smiling a really cute smile... Am I over-reading this? What's your opinion?
Staring and Smiling, what does it mean?
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