They told you to do push-ups. They told you to gain weight. They told you to try chest workouts, buy a better bra, massage daily, accept it, or consider surgery if you want a “real” change.
But none of that gives you the full answer. Chest workouts may help posture, but they do not directly increase breast tissue.
Weight gain may help some women, but your body decides where the weight goes. Push-up bras help while you wear them, but they do not change how you feel without them.
Massage may be part of a self-care routine, but it is not a guaranteed solution. Surgery can create a dramatic change, but not every woman wants implants, scars, pain, cost, or recovery time.
So maybe the problem is not that you did not try hard enough. Maybe the problem is that most advice only looks at one piece of the picture.