Hugged a girl and her boobs quickly got firm, chemistry?

I hugged a very close female friend one night at the bar and never felt anything like that before, all the others in my life had boobs so soft I could barely feel them at all. Does that mean her body reacted to my hug physically, a slight form of attraction?

Disclaimer: I don't hug women to feel their boobs and I don't lust after them. Just being nice, a normal thing you do with people.
Hugged a girl and her boobs quickly got firm, chemistry?
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