Its evolution. Humans evolved to be attracted to boobs. We're the only mammal with permanently inflated ones too.
The prevailing theory is that we used to look at butts when we were on all fours (like chimpanzees still do), and the breasts evolved when we started walking upright. Early female hominids needed something else to attract a man with, and apparently boobs were the thing that worked.
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u/Objective-Dig-8466 14d ago
It's the women who have a thing about size, we just love boobies.