Premature ejaculation is defined as ejaculation within one minute of penetration. However, it is not the duration of penetration that is important, but whether you and your partner are satisfied with the time. If you have not talked with your partner about satisfaction with your sex life, we encourage you to do so. When 449 women were surveyed about their ideal insertion time, the average ideal insertion time, in their opinion, was 9.7 minutes (TENGA Healthcare survey, 2017).