Hello: First, when sex tight vagina can better enjoy sex. Second, premature ejaculation and vaginal bear no relationship. First of all, if you think you love is premature ejaculation households ah, you can let him to the hospital to see is not premature ejaculation, premature ejaculation if the treatment, if not premature ejaculation, only time sex or household ah early ejaculation, you can couples sex life to take some training methods to improve sex life, increase of quality. Third, in general, sex is normal in 2-15 minutes, each person's capabilities are different, as each person's capabilities according to the judge.
