There is no agreement of the definition of quick ejaculation. The 4th edition of the American Psychiatric Associations Diagnostic and Statistical Manual outlines three criteria for premature ejaculation: (1) persistent or repeated ejaculation with slight stimulation before, on, or shortly after penetration and before the person wishes it, (2) the disturbance causes considerable anguish or interpersonal difficulty, and (3) the premature ejaculation is not due exclusively to the direct effects of a chemical.