What is hickies on breasts?

Hickies on breasts are bruises caused by the sucking or biting of the skin on the breast. These bruises are caused when blood vessels under the skin break, and blood leaks out into the surrounding tissue, causing the characteristic discoloration. Hickies on breasts can be uncomfortable or painful, and they may take several days to heal. It is important to be cautious when engaging in activities that could cause hickies on breasts, and to communicate with partners about boundaries and comfort levels. It is also important to seek medical attention if hickies or bruises on the breasts are severe or persistent.