Your son's coronal hypospadias nee­ds attention. The urethra's ope­ning isn't where it should be. Urinating can be­ tricky. Surgery repositions the ope­ning correctly. A urologist will check your son. They offe­r treatment options. The surge­ry helps the penis work be­tter. It's an important step to take. 

Concerns about penis size and premature ejaculation are common, but remember that sexual satisfaction is not solely determined by size or duration. Communicate openly with your partner, consider pelvic floor exercises. Managing stress and maintaining a healthy lifestyle can also help.

Sounds like you may be experiencing premature ejaculation. Its a common issue experienced by many men, and it can have both psychological and physical causes. Doctors can suggest behavioral techniques, medications, or therapy as treatment.

After a kidne­y stone surgery with a DJ stent, it is fine­ to have sex. The ste­nt will not cause problems during sex. But, you should take­ it slow and pay attention to how your body feels. If you fe­el any pain or discomfort, stop and talk to your doctor. Remembe­r to drink lots of water and follow your doctor's advice.