Dr. Sharma shares a profoundly poetic and psychologically intense analysis of two specific placements: Moon in the 12th house and Mercury in the 4th house.
Both of these placements severely afflict the native's mental and emotional expression. The Moon (emotions) is lost in the 12th house of isolation, and Mercury (speech) is drowned in the 4th house of water.
This creates a terrifying "silence" ("khamoshi") in the native. Dr. Sharma explains the duality of this silence: If the native is forced to be silent (suppressing their feelings), it kills their inner desires and dreams. But if the native *chooses* to go completely silent and isolate themselves from the world, it leads to severe depression that can literally drain the life force out of them ("jaan le leti hai").