Breasts naturally fall to the sides when you lay on your back, particularly if they are larger. Many people believe that implants make breasts sit more upright on the chest.
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My wife's breast becomes flat while she laid back. I have nothing to touch ? Is it normal for small breast? - Quora
I'm experiencing pain in what it feels like my breast bone (upper middle chest) every time I'm lying down on my side or exercising. Is this normal? - Quora
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