euphratis SG Any one experienced with Viagra? Or Tonkat Ali tea before?? Is it really work? I know Viagra works but how long does it last. I heard stories of whole nite cannot stand-down unitl the next day oso. So what after ejaculation oso cannot come down?? But number of time u can ejaculate depends on your testicles not the stiffness of the rod. Normally can ejaculate about 3-4 time for long session of sex. Heard they is Viagra for woman oso.