They have no hang ups. In some countries where all beaches are topless, breasts are not a big deal. US culture is different. Men love breasts, but pick the ladies for their wives. Those that show them to everyone limit themselves to just playthings.
Internet.
The reason a lot of people look up pictures of breast enlargement is because many men and some women are physically attracted to the breasts of women. This is also the reason many people receive breast surgery.
The same reason why women cover their breasts nowadays, it was accepted by their culture to show breasts.
Women's shirts differ from the men's ones by the materials used. Women's shirts are often in acrylic while for men's shirts are in cotton. The buttons of the shirts are also on the opposite side.
There is no universal agreement about size or shape of women's breasts.
Yes they tent to and like to make their shirts out of dried animal skins the women also like to wear bandanas
Infants can be nursed by breast feeding. Some people may get aroused by sucking on breasts before/during intercourse.
Women have breasts because, in the womb, genes tell the embryo that it's going to be female. Female animals have breasts to store milk for their young.
Women's breasts are located on the anterior upper half of the thoracic cavity on either side of the midline.
In the 1700s, people in Delaware wore slacks and shirts. Women typically wore dresses, shirts, and other modest pieces of clothing.
There are plenty of classy women's T-shirts with modest cuts and tight lines.
Many retailers offer high quality shirts for women. High quality shirts are usually expensive. Nordstrom, Dillard's, Macy's, Bloomingdales, The Gap and Saks Fifth Avenue sell high quality shirts for women.