When a guy says he likes your face... What exactly does it mean? What are the feelings behind that?

I know it's a compliment but I find it peculiar for some reason. Like I just wonder how deep feelings could be for someone to tell me they like my face. I've been told this by a guy I was really close with (but, he lived far away) and now another guy I am getting to know has told me this. It makes me wonder if they have feelings beyond their attraction?
When a guy says he likes your face... What exactly does it mean? What are the feelings behind that?
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