Earthly Branch Combinations- Si-Shen Combination
The Si-Shen combination forms because Si and Shen both hide Wu Earth and Geng Metal. When water is strong in the chart and Si Fire is restrained, the combination becomes clearer and may tend toward a water transformation.
Detailed Explanation
Why Si and Shen combine
The Si-Shen combination is known as the Growth combination. Both Si and Shen are growth positions, carrying the energy of emergence and movement. Si hides Bing Fire, Wu Earth, and Geng Metal, while Shen hides Ren Water, Wu Earth, and Geng Metal. Because they both contain Wu Earth and Geng Metal, they have a basis for cooperation. Si Fire is the growth position of metal, and Shen Metal is the growth position of water, so this combination also carries the image of metal generating water, like a mother-child relationship.
Why Si and Shen can also form a punishment
Bing Fire inside Si overcomes Geng Metal inside Shen. Ren Water inside Shen then wants to overcome Bing Fire and protect Geng Metal, while Wu Earth inside Si overcomes Ren Water. This creates two layers of overcoming: Bing Fire overcoming Geng Metal, and Wu Earth overcoming Ren Water. This is known as the Ungrateful Punishment.
When to read it as combination, and when to read it as punishment
When water is strong in the chart and Si Fire is restrained, Si and Shen are mainly read as a combination, with a possible tendency to transform into water. For example, if Hai or Zi Water appears in the earthly branches, or Ren Water or Gui Water appears in the Heavenly Stems, the Bing Fire inside Si will be weakened.
When wood and fire are strong in the chart and Si Fire receives support, Si and Shen are mainly read as punishment and overcoming. For example, Wu-Si-Shen, Si-Si-Shen, and the Yin-Si-Shen Three Punishments all strengthen Si Fire through wood and fire, making the force of fire overcoming Shen Metal heavier. In most cases, Si and Shen can be read through the pattern of fire overcoming metal.
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