According to the Tang dynasty physician , below are the guidelines

File: no worry no worry.png (179KB, 306x350px) Image search: [Google]

179KB, 306x350px

According to the Tang dynasty physician , below are the guidelines for optimum health ; a robust male of 20 may ejaculate twice daily, but an emaciated one should do so no more than once daily.

A 30-year-old male may ejaculate once a day, but only once every two days if he's an inferior specimen.

A flourishing man of 40 may emit semen once every three days, but if he's weak he may do so only once every four days.

A robust man of 50 may ejaculate once every five days, but only once every ten days if he is weak.

A 60-year-old man in good health may emit once every ten days, or once every 20 days if his health is poor.

At 70, a robust man emit once a month, but a weak one should no longer emit semen at all.