The first time a man has sex, the normal time is more than three minutes. Men for the first time, as long as the sexual life time is greater than three minutes is a normal phenomenon, less than three minutes belongs to premature ejaculation, for the first time in the same room for men due to their own nervousness and glans sensitivity is too high, it is likely that premature ejaculation, this situation does not need to worry about. For the first time in the male patients, you can use 20 minutes before sex with lidocaine gel coated with their own glans skin coronal groove, can be very good to reduce the sensitivity, to achieve the effect of prolonged sex, but also let the patient in the sex of one hour before the oral drug Dapoxetine, can also make the inhibitory neurotransmitter pentraxin content increase, to achieve the effect of prolonged sex. If there is an abnormality in sexual life, you should go to the hospital for examination in time, if you need to use drugs need to be used under the guidance of a doctor.