It varies from patient to patient and depends on various factors such as the cause, frequency of sexual intercourse, personality of the individual, nature and type of treatment, type of medicines used etc. Even a single tablet can give a temporary relief. But to cure it may take 3 months to one year.

From this letter it is difficult to arrive at an opinion. You developed an erectile dysfunction, cause is not clear. You have mentioned about an abnormal growth on the penis. If it is inside the penis and something like a hard area, it could be a peyronie s plaque. It can cause erectile problem.  The burning sensation may be due to prostatitis. It can be treated and cured. You need a physical examination and investigations. Please consult an Andrologist who can trat your problem successfully.

HIV infection mainly spread through body fluids. Just by licking the nipples you need not get an infection. If she has a heavy viral load and lactated heavily in to your mouth we cannot ignore the chance. Otherwise chance is very low. You can consult a doctor, undergo HIV test and to clarify your doubts.

Before marriage you need not worry about premature ejaculation. Only when you start engaging in regular sexual intercourse one can know actual difficulties. There is no point in taking a treatment with the anticipation of a problem. After marriage if your problem persists you can take treatment. Frequent urination indicates a probable urinary infection. You may consult a doctor for the same.

From your question I cannot understand your problem. Physical examination is required to verify whatever you said. If there is any trauma or injury to the penis or testis further investigations may be rquired. You consult doctor directly.

There is no specific food which is good for sexual health. You may find so many  false claims of food items to increase sexual health. But none of these are scientifically proved. It is better to avoid or limit the food items contains too much of fat.

Yes premature ejaculation is a sexual dysfunction. This may be due to various causes such as infection, inflammation, hypersensitivity, habituation or any other factors. First we have to find out the cause. Treatment may vary from medication to sex therapy or a combination of both based on the causes. To plan the treatment you need to undergo a clinical evaluation including physical examination and investigations. Based on the results it can be successfully treated.

Sorry. It is difficult to answer your question without knowing the details such as what medicine?, how long have you used?, whether still continuing? etc.. It is better to consult and discuss with the doctor who gave this medicine. Otherwise consult another doctor.

I think I have answered your question earlier. Please consult  a doctor and do the necessary investigations to findout the cause. Then it can be treated and cured. For both problems there is treatment. Sometimes you may need the help of an andrologist and a sex therapist. Go to a place where all these facilities are available.

If the 6 quadrant biopsy doesn t shows evidence of spermatogenesis there is no chance. You can go for ICSI with a donor sperm or adoption. No treatment is possible through online.