Honestly, yes. All girls are different. Some girls sometimes are like that. It is not a bad thing. And you can't stop it.
We can grow big breasts by doing sex with other boys because they suck our breasts.
BIG
Preteens and young teens bodys does not produce enough hormones to allow the body to bulid big muscles.
as big as God intends
Big.
As Big as E
Big breasts are 'des gros seins' (familiar/slangish) in French.
Genetics.
It varies!
A cup
I guess that depends on how big your breasts are....?
Yes. (See related question below for more information.)