Masturbation whether done once a week, once every day or so, once a day or more than once a day will only reduce the amount of semen produced temporarily. If you masturbate two-four times a day, subsequent ejaculations will have less volume. That said, there will also temporarily be less sperm, but this does not mean that you are manufacturing less.
Hold off a couple of days and the "well" will be replenished.
Now, if the doctor states that you have a low sperm count, this is different in that you are manufacturing few than normal sperm, or, sperm that are poor swimmers. It is this condition that your doctor is most likely referring to. So, go ahead and masturbate to your heart's content. The only times you will do it too much is 1) if it interfers with other activities; 2) if you attempt to do it more times in a 24 hr. period than your body can handle and simply fails to respond. The thing to do here is to either wait a couple of days in order to fully rejuvinate your system, or if you have to masturbate in order to relieve stress or tension, then wait and do it several hours later. You'll get the relief although the climax will be weaker emotionally and physically.
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