Really? Science has failed to unriddle the mystery of boobs? Maybe we need a larger sample size. 
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Attachment, Bonding, oxytocin, nurture, sustenance.
-
Exactly. Seems a no brainer to me..
End of conversation
New conversation -
-
-
I always assumed it had the same function as keyed plugs in electronics: avoid mistakes. Apparently not 100%efficient.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Sign of youth (if it looks like gravity hasn’t affected them much) = Many fertile years ahead and greater likelihood of grandmother around to help.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
They indicate sexual maturity. Erect nipples can show arousal. Seems fairly obvious why men like them.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Breasts allow women to hypnotize men. It is easy to test this rather than discount it.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Peacock tail for women.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
I'm uncertain what is meant by "medium size", since a C-cup can look quite different on a Size 2 woman vs a Size 12 one.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
The answer is 'Proportionality and symmetry.'
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.