¿Por qué tengo dolor de pene y testículo?

When a person has hypersensitivity in the glans, this means that the skin over the glans is too sensitive and causes discomfort and even pain. This can occur due to the reason for various contagions, irritants, or some ailments. Symptoms can include pain, redness, or itching. If you use a gentle way to clean the area, and avoid harsh soaps, and use a soothing cream when necessary.

Your father see­ms to be struggling with prostate issues. He­ might have trouble pee­ing and swollen feet. Enlarge­d prostates are common as men ge­t older. But his other health proble­ms make surgery risky right now. Ask his doctor about medications or non-surgical tre­atments instead. They could he­lp him feel bette­r and manage his symptoms without major procedures.

It's perfectly alright for a penis to have a slight bend. The truth is that most of the time, this is nothing serious, especially when there is no pain or other problems. This bend could be the result of the arrangement of your tissues or how you use it. However, if your mind is not bothered and no issues are present, then there is no need to stress. 

Body sizes and shapes vary from person to person, and there is a wide range of normal. It's always a good idea to consult your doctor/ urologist who can assist you with your concerns.