Babies do not need elaborate entertainment to feel connected. They need responsive moments: a familiar voice, a warm gaze, a pause that leaves room for their reply, and a smile that arrives naturally. Smile, Talk, Repeat shows parents and caregivers how everyday interaction supports early communication, emotional security, attention, and shared enjoyment without turning family life into a performance. Perrin Quillon Larkspur offers practical ways to notice a baby’s cues, copy simple sounds, use songs and stories, handle distracted or fussy moments, and adapt connection for different temperaments, cultures, abilities, and energy levels. You will learn what early smiles may mean, how interaction changes across the first year, and when a concern deserves a calm conversation with a pediatrician or health visitor. The book also makes room for tiredness, grief, postpartum distress, and the choice not to smile. With gentle scripts, observation prompts, and quick-reference tools, it helps ordinary care become a steady conversation built one small exchange at a time. Part of The Smile and Happiness Library.