There are two reasons for the short time: 1, premature ejaculation, which is a disease that needs treatment. 2, that is, your own ability is not good, this can be improved. * * *, 1 can be carried out in the following ways to strengthen physical exercise and improve sexual desire. 2. Improve your love skills. 3, nourish some aphrodisiac foods, such as medlar, longan, red dates and so on. 4, insist on doing some actions to improve sexual ability, which can improve the time of love. 5. Wear a condom or apply some external delay ointment when making love.