“The semen also contains a great deal of vital energy; therefore, an ejaculation also represents a great deal lost of vital energy. This is demonstrated by the exhaustion felt by the man after ejaculation. Ejaculation is often called “coming.” The precise word
for it should be “going”, because everything – the erection, vital energy, millions of live sperms, hormones, nutrients, even a little of the man’s personality – goes away. It is a great sacrifice for the man, spiritually, mentally, and physically” (Chang, 1986, p. 83).

On the other hand, Dr. Chang also argues that “if you ...

“The semen also contains a great deal of vital energy; therefore, an ejaculation also represents a great deal lost of vital energy. This is demonstrated by the exhaustion felt by the man after ejaculation. Ejaculation is often called “coming.” The precise word
for it should be “going”, because everything – the erection, vital energy, millions of live sperms, hormones, nutrients, even a little of the man’s personality – goes away. It is a great sacrifice for the man, spiritually, mentally, and physically” (Chang, 1986, p. 83).

On the other hand, Dr. Chang also argues that “if you practice Taoist masturbation – that is, masturbation without ejaculation – you can masturbate ten times or one hundred times a day without doing harm. In fact, doing so would benefit your entire body, because your entire body is energized uniformly when the entire penis is massaged” (Chang, 1986, p. 84).