What does it mean if a man presses his chin against the side of your head when hugging?

I was catching up with a friend of mine yesterday and before we parted ways, we gave each other a frontal hug. I was shocked as while hugging, he rested some of his face, mostly his chin against some of the side of my head. Do you think he is interested in me romantically?

What does it mean if a man presses his chin against the side of your head when hugging?
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