if there were something to go wrong with that body part what kind of illnesses or issues may someone go through? Be specific on diseases and issues.

Well you didn't put which part of the body so Signs of a heart attack include pain, pressure, squeezing, or feeling of fullness in the center of the chest that lasts more than a few minutes; pain or discomfort in other areas of the upper body; shortness of breath; cold sweat; nausea; or lightheadedness.

Signs of a stroke include facial drooping, arm weakness, difficulty with speech, rapidly developing dizziness or balance, sudden numbness or weakness, loss of vision, confusion, or severe headache.

Symptoms of reproductive health problems include bleeding or spotting between periods; itching, burning, or irritation genital area; pain or discomfort during sex; heavy or painful menstrual bleeding; severe pelvic/abdominal pain; unusual vaginal discharge; feeling of fullness in the lower abdomen; and frequent urination or urinary urgency.

Explanation:

it hurts at first because " the cherry is broken" which is a thin layer of skin that breaks so the first time girls have sex it hurts and it bleeds but after the first time it does hurt again because the skin that ia torn does not break again/ grow back.