Then I'll give you some advice: chest massage (do you know chest massage? ), don't wear a bra when sleeping, massage the chest before wearing a bra (wipe the meat on the left and right sides to the chest; Once again, hold your left hand under your right chest, put your right hand over your right chest, and knead it moderately clockwise. (The same is true for the left side. It doesn't take much time to do this every day, just get up ten minutes early. You can do this in the shower. Personal opinion, I hope it can bring you something useful.