Nervous system first When you’re raising a PDA child, you’re not dealing with “behaviour.” You’re dealing with a nervous system that hits threat mode fast and hard — and when one child’s system is in threat, the whole sibling dynamic shifts. This is why siblings often say things like: “He gets whatever he wants.” “You always change things for him.” “It’s not fair.” And from their perspective? It does look unfair. But what’s actually happening is nervous‑system triage. Why PD
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