I think there’s a similar attraction to all erogenous areas, but due to cultural reasons breasts are ones that are always covered and their uncovering signals intimacy.
Favoring big breasts is mostly a cultural thing with some links to biological instincts that I wouldn’t give much weight to.
“Jiggling” transfers information about their structure and your brain can create a model on their “feel” without touching.
Yes. Elon Musk is bombing Russia. You’re welcome to retaliate at your soonest convenience.