dipends every girls boobs are diferent.
its from the estrogen hormone in females
We can grow big breasts by doing sex with other boys because they suck our breasts.
BIG
The breasts, themselves, do not contain muscles. As in males, the pectoralis major and minor underlie the breast tissue.
Evolution gave female mammals breasts or breast-like organs. They are designed for feeding and nourishing the young.
it can get in the way as much as breasts get in the way of females
sexual stimulation just like a male
Big.
as big as God intends
As Big as E
Big breasts are 'des gros seins' (familiar/slangish) in French.
Genetics.