The specific, irreplaceable object the infant invests with aliveness — this bear, with its particular smell and worn ear — which must not be washed because the washing would destroy the reality the infant has created in the transitional space.
Winnicott's teddy bear is not an example. It is a specific developmental artifact — the infant's first possession, the first object that is neither purely self nor purely other, the first creative act in which the boundary between finding and making dissolves without being resolved. The parent who would wash the bear to clean it misunderstands what the bear is: not a toy but a held paradox, not an object but a zone of experience. The filthiness is the evidence of the investment. The smell carries the specific relational history that makes this bear irreplaceable by any identical bear purchased new. The book uses the teddy bear as the structural model for understanding why AI collaboration, at its most alive, produces attachment that looks irrational to outside observers but registers as essential to those inside it.