How big are you because you're probably not feeling them getting bigger, you're probably just feeling the force of gravity on them.
P.S. don't stand up and lock your knees to long, or else
Weight gain or pregnancy. But I am sure there are more.
It is normal for your breasts to get larger as you grow.
silicon
No.
Your breasts can seem to get bigger before menstruation. Hormonal changes can effect the breasts, causing breast ducts to swell, so this cause cause temporarily larger breasts during menstruation or just before menstruation.
Getting pregnant does the job rather well. other then that no one has found a way "That works" yet
Genetics
Bombshell
Breast augmentation is having surgery on your breasts. The surgery of your breasts will enhance them, such as making them larger.
Because your nipples are small and the breasts are larger with less nerve endings spread out
Breasts
Cos they all get implants