Nipple: The nipple is actually a lifted framework located in the middle of the breast. It contains smaller muscles that contract in reaction to stimulation. ...there is absolutely no health care cause to dress in a bra, so the decision is yours, based on your own personal comfort and aesthetics. https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb