The news of a child's death brings an unimaginable weight, shattering even the most powerful of rulers. Upon learning of his son's fate, King David is overcome by a profound breakdown that goes far beyond standard mourning. He is gripped by a storm of emotions, shaken by severe anxiety, shock, and an intense surge of a father's love [מצודת ציון, ביאור שטיינזלץ]. Overwhelmed, he retreats to the chamber above the city gate, a high vantage point typically used by guards and watchmen [רד״ק, ביאור שטיינזלץ]. There, he weeps and cries out, desperately wishing he could have died in his son's place [מצודת ציון].
The sheer intensity of David's grief and his desire to trade his life for his child's stem from two deep realizations. First, he carries a crushing burden of guilt. David understands that the rebellion and subsequent death of his son are actually punishments for his own past actions, specifically his earlier sin and the harsh prophecy that violence would never leave his household. He feels that since he is the one who sinned, he should be the one paying the ultimate price [רלב״ג, מלבי״ם, אברבנאל]. Second, David knows that his son never truly intended to kill him. The rebellion was driven by a desire to take the throne, a move for which the son felt he had some justification [מלבי״ם, אברבנאל]. By repeatedly acknowledging him as his child, David emphasizes that he does not view him as a cruel stranger, but rather as his beloved son and the most fitting heir to the kingdom [מלבי״ם].
Throughout his mourning, David repeatedly cries out for his child. On a basic level, this is the natural reaction of anyone in deep sorrow, instinctively repeating words out of sheer grief [רד״ק, מצודת דוד]. However, the primary approach among commentators reveals a profound spiritual purpose behind this repetition. According to this tradition, David calls out exactly eight times in a deliberate effort to save his son's soul. The first seven cries are meant to lift the young man out of the seven levels of the underworld, while the eighth cry is intended to guide him into the Garden of Eden and the World to Come.
This spiritual rescue is subtly reflected in the events of the mourning itself. When David physically goes up to the gate chamber, his ascent represents an active spiritual effort to raise his son from the depths through his tears [מלבי״ם, חומת אנך]. Even the son's name holds a hidden promise, suggesting that through the intervention of his father, the child will ultimately find eternal rest and peace [חומת אנך].