Wart-like sores inside penis tip are likely genital warts CAUSED by HumAN papillomavirus (HPV).. Can be sexually transmitted and rarely cause pain. Treatable but cannot be cured, may go away on its own. Get tested and treated by a doctor. 

Have you ever felt a moment of pain below but there are no other symptoms: discharge burning sensation while urinating? If yes then it might not be anything serious. This type of ache can result from being hit or even just having an odd feeling. It is common and usually goes away by itself. Keep yourself hydrated; do not engage in strenuous activities and the discomfort will disappear within no time.

You nee­d not worry about issues after varicocele­ surgery. Lumps and unhealed stitche­s are common. Stitches heal slowly, so be­ patient. Lumps may linger before­ vanishing. Monitor for pain or redness, but follow doctors' advice. With time­, healing will progress as expe­cted.

You are declining from what is known as post-void dribbling. It's a situation when a few drops of urine come out after you go to the bathroom. This can be the case for both males and females. Most of the time it is not dangerous, and it can come from different things like the bladder not emptying fully or the muscles being weak. Drinking plenty of water is sometimes the solution. If you're not having any other symptoms, it's probably nothing to freak out about.