During what age do you think your boobs start to sag/prevention?

Age of non support: Breasts need to be supported like a "mistress" because if they are not, they will sue you for "non-support" by sagging at any age. Runners, exercisers, multiple birth moms, and volleyball players all need a good supportive bra to head off that day in "court" when the breasts exhibit Cooper's ligament droop" and start "competing" with your waistline for space.