5 Habits That Make Your Breasts Smaller - If your breast-enlarging techniques are wrong, such asä¹±grabbing and pressing randomly, if you don't consume protein in order to lose weight, if you take contraceptive pills to treat acne... then you must read this article carefully. In order to erase the traces of time and preserve beautiful breast curves, some women have exhausted their minds, using various methods like exercise, massage, plastic surgery, etc. However, medical beauty experts warn that some unhealthy living habits are actually the main culprits causing breasts to become smaller.