Sagging of your breasts is a usual part of aging. But there s lot you can do to prevent it from losing shape before its time. Firmed and toned breasts definitely go a long way in enhancing a woman s overall beauty. Here are few things that can be done to prevent untimely sagging of breasts to keep one looking young and beautiful. 1. Drink adequate water: According to experts at the University of Wisconsin Hospitals skin is an organ whose cells are predominantly made up of water. Lack of water in the system takes a toll on the skin.