Crush has dilated eyes or, am I just going crazy? lol?

There's this guy who knows i like him, and he said he wasn't interested apparently, but recently we've been making a lot of eye contact and smiling at each other, but recently i notice that when he looks at me, his light brown eyes turn dark?, almost like black, supppppper creepy, i dont get it?
Crush has dilated eyes or, am I just going crazy? lol?
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