I know this seems to be an age-old questions and has been discussed
over and over again. I searched through google and some old archive
of Straight Dope newsgroups but I still haven’t found the sure answer.
Well, from just about Day One, it’s where the food comes from. What’s not to like about that?
“Liking” breasts seems to be an innate trait - critters like calves, kittens and puppies pop out of the womb, programmed to find a teat and start sucking.
Some male humans just take it a step or two farther.
i can’t speak for other men but I am yet to discover any part of women that I don’t like. You can slowly run your fingertips over any bit of them while you drift off into a reverie.
Perhaps not permanent breasts, but if you’ve ever seen a lactating cow/cat/dog, you can certainly see the resemblance… granted cats and dogs have something like 8 of them, and it looks a bit freaky, but the concept remains.
I also submit my support for the standard answer, “What’s not to like???”
I think those of us who are attracted to women like breasts because they are a prominent part of the package of femininity. They’re part of what makes women women. At least for most straight men I think it’s so; I don’t know about lesbians.
Certainly evolution may have given us the idea that nice/big breasts lead to healthier children. I first saw this idea in A Portrait of the Artist as a Young Man…
Stephen and Lynch do not particularly enjoy this hypothesis, and Stephen presents his own ideas about innate aesthetic appreciation, using St Thomas Moore as a source. Hilarity ensues.
They’re also filled with sensitive nerve endings that when stimulated properly produce an interesting and gratifying reaction in their owner. And that’s greatly interesting to the person doing the stimulation…
More seriously, though: Breasts are a secondary sexual characteristic that 1) tells men that they’re looking at a woman, and 2) indicates that a woman is close to or at sexual maturity. In other words, they’re a sign that says "Potential Sexual Partner,’ and that message is always attractive.