I can't stay even a minute for first time wuth my fiancee and then it's get very hard to get a further erection Feels very depressed. Still not married. Used Viagra 2 times in last 2 years. But don't want to use such pill for a natural activity. How can I make my sexual stamina stronger? I am ready implement any good or needed inclusion or exclusion in my daily life. But can't accept this premature ejaculation and erectile dis function. What to do?