Premature ejaculation, penis hardness is not enough, penis hard time is not long enough

Premature ejaculation, penis hardness is not enough, penis hard time is not long enough may be because of the usual mental stress, work pressure, body fatigue, often stay up late, depression, etc., may also be because sex life is too frequent, there are prostate inflammation, prostate hyperplasia and other effects on the quality of sexual life.