Name vinoth, age 31 ,started sexual life at the age of 16 with mastrubation then had sex with ladies and girls at times achieved 2 ejaculation without break and many strokes ,3 yrs back married having sex daily ,but now not at times nt able to penetrate at least 7 or 8 times starts ejaculating so used stop snd start technique in whicvh can do 3 stroke and have to stop if i do 4 th or 5 th stroke it ill ejaculate like that prolonged ,is there any medication without side effects to prolonge ejaculation