hii dr. prince from this side.....lasting from 10 months m having problem related sex......i have sex many of time but there is no problem with me ...m un married and 24 yr old,,,,,but now i feel very lightness in my testis and so much weakness in my penis ,,,,i want to get a permanent solution for this m really worry about this,,,,please give me an advise ,,,please mention dose....and hw long would i take that medicen ....my e mail id is YYYY@YYYY ........ please sir help me