First things first – masturbation won’t affect your chances of having children later on in life. It’s normal and won’t hurt your fertility at all. If you’re ever worried about your health or ability to have kids, it’s best to talk to a doctor who can give you accurate information and help calm your fears. 

If you happen to have a pimple on your penis, it does not necessarily mean that you have an STD/STI. This could be caused by something as simple as irritation or clogged pores. However, it is advisable not to engage in sexual activity when the pimple is painful, oozing pus, or has other accompanying symptoms. Keep the area clean and dry and if it does not get better, seek medical advice. 

Frequent masturbation is a normal and healthy sexual behavior for many. It doesn't cause any significant harm or affect your future sex life. However excessive masturbation can lead to physical and emotional health problems, such as fatigue, anxiety, depression, and loss of interest in sexual activity. You can try to redirect your sexual energy into exercising or hobbies, and establish healthy routines and sleep patterns. 

You se­em worried after unprote­cted intimacy. Unusual discharge, burning urination, sores, itching – the­se are common signs. Sexually transmitte­d diseases result from bacte­ria or viruses transmitted through sexual contact. Ge­tting tested is crucial, it checks for pre­sence of STDs, ensuring prope­r treatment if require­d.

You may be suffering from premature ejaculation. On the other hand, this could be realized with different factors such as, for example, stress, anxiety, and hormonal imbalance in your body. One of the methods I would suggest is to look for behavioral interventions like the start-stop method or the squeeze technique during sex. It is also possible to discuss with a doctor about the medications or therapy options which may be of help with your situation.

If your partner has a ye­ast infection, you can catch it too, although it's not contagious like the flu. Yeast infe­ctions aren't sexually transmitted dise­ases, but intimate contact can spread the­m. Common signs are itching burning sensations, and strange discharge­. It's wise to abstain from sexual activity until your partner re­ceives medical tre­atment.

Consult with a qualified healthcare provider whenever you have questions about your sexual health. These specialists can be the right person to tackle all your sexual health queries or concerns. 

Please provide more information on what specific problem you are facing with your sexual life, only then i can provide proper advice.

If you had this sickne­ss and got help, your wife nee­ds to get checked too. Some­ signs are pain when going pee­, unusual stuff coming out, or no signs at all. To stop spreading it, do not touch private parts until you both get he­lp.

One reason a man may not last long during sex is his inability to finish quickly enough, which can cause worry. Anxiety or depression might also contribute, making it hard to feel inspired or happy. Techniques to help with this issue are available. For instance, relaxation exercises can improve endurance, and wearing condoms might help. Open communication and mutual trust between partners are also important.