Ideally, the primary care giver will be loving and…
Page 267. Ideally, the primary care giver will be loving and encouraging and consistent. Consistency is key because the child is deriving much of what it needs to know about the world and its workings from his caregiver. They may understand language eventually, but they learn just as much from observing and mimicking, and their powers of logic and reason are still being formed and refined, so mixed messages delivered via words or behavior are unhelpful.
— from Family & Parenting (Family/Parenting) · Happy Brain by Dean Burnett