How long does masturbation have to last not to be considered premature ejaculation?

Patient's question:

Laboratory tests, careful examination of results: Did not review past treatment history and effectiveness: Did not see what kind of assistance is needed: Wonder how long masturbation lasts without being considered premature ejaculation

Doctor's answer:

Erectile dysfunction is one of the male sexual dysfunctions. Except for those caused by organic inflammation, non-drug treatments can generally be implemented. With persistence, it can achieve effects that drugs cannot. Back nerve blocking surgery can be adopted to prevent masturbation and control sexual activity, which helps in the comprehensive prevention and treatment of premature ejaculation. Men should consume more foods that have the effect of tonifying the kidneys and consolidating essence, such as pigeon eggs, pig kidneys, softshell turtle, walnuts, Euryale seeds, and chestnuts, which are beneficial for health. Medication-wise, it is recommended to take Jin Suo Gu Jing Wan.