She is a plain Jane who is comfortable in her body, doesn't wear a lot of makeup and only purchased a few sleek, sexy blouses once—because I dragged her to the store for her birthday and told her it was on me—while I married, had three kids and made it must to voyage overseas at least twice a year, she's never been married, wears traditional plain outfits, while I live for the bling. Meanwhile, Susan and I have a mutual friend, Jennifer, who swears that she couldn't tell what breast size I am for the life of her. Most people believe what it all comes down to is breast size matters differently to each person. While one woman may not care what breast size they are another person may care a lot. But the medical community has a different perspective. Recently, the medical community has come out with scientific evidence that shows breast size plays a huge role in your mental and physical well-being.