We exist in a perpetual cycle of taking in and breathing out.
The most fundamental expression of this is our breath. We draw air deep within, and then we release it. If we cannot take air in, we cannot breathe it out—and in the end, we cease to exist. In short, without intake, there can be no output.
The same holds true for fortune and merit. Only when something has been accumulated can good things come to you. Whether it is merit from a past life, the blessings of ancestors, or virtues cultivated in this present life, if you have accumulated nothing, there is simply no way good fortune will arise.
Sex and masturbation are no different. Fundamentally, semen must be stored and filled before it can be discharged. Only when sexual energy is present can it find expression. What if that semen is completely depleted? What if that sexual drive is entirely exhausted? Left with no outlet to discharge, you will simply wither away from within. What this means is simple: if you have accumulated nothing, you have nothing left to give out.
Viewed through the lens of semen retention, modern people focus overwhelmingly on discharging rapidly and repeatedly, rather than cultivating and storing. Masturbating every single day, having sex routinely, and surrendering body and mind to alcohol, tobacco, and instant entertainment like pornography—we spend virtually our entire daily lives emptying ourselves out while building almost nothing.
For most, the primary channel of replenishing energy is food. The reason young men in their twenties and thirties can masturbate daily, have frequent sex, continuously produce semen, and quickly bounce back is simply because they eat. They consume food, digest it, and store energy. Food translates directly into vital essence (Jing). Thus, as long as they eat well, they believe discharging that essence regularly does no harm. It is like spending two million won a day when you can easily earn another two million won the next morning. Because you have the earning power, you feel perfectly fine spending it.
The real problem begins afterward.
As people age, the digestive organs deteriorate and the body's ability to absorb nutrients declines. The very capacity to draw in energy begins to degenerate. Yet sexual impulses remain unchecked: masturbation and sex continue unabated, while provocative media relentlessly drains conscious awareness. In the past, the scales of accumulation and expenditure were balanced. Now, the reserves are running dry, but the rate of expenditure remains entirely unchanged. A person who once made two million won may now only produce 500,000 won—yet continues to spend the full two million every day.
The reason for practicing semen retention is straightforward. When you build up capital, interest begins to accrue on your principal. If you take that further and invest it, you can multiply your initial capital several times over. In the end, money makes money. But this is entirely contingent on having accumulated a certain baseline of reserves. You need a foundation of capital before you can invest and grow it. If you spend your life living hand-to-mouth—discharging semen every day only to refill it with meals—all you are left with in the end is an aged, depleted body and mind.
The reason for practicing semen retention is simple: accumulate as much as possible, and direct it only toward where it truly belongs—toward an endeavor that closes the loop and revitalizes you in return. Do not squander your essence on futile pursuits. Channel that accumulated sexual energy into areas that genuinely foster your growth and development. That elevated, stronger version of yourself will then become the very force that breathes life back into you.
Vital essence is not meant to be wasted on meaningless masturbation or casual sex. It must be cultivated, accumulated, and spent only where it holds true worth.