Is that first flicker of a smile a reflex, a response to you, or something else? This warm, evidence-aware guide helps parents notice what is changing in their baby’s face without turning a tender moment into a test. You will learn how early reflexive expressions differ from an emerging social smile, what eye contact, relaxed facial muscles, and repeated shared interaction can suggest, and why babies develop on different timetables. Clear explanations cover visual attention, temperament, premature birth and corrected age, sensory differences, and the ordinary reasons a baby may not smile on cue. Gentle, practical ideas show you how to respond with your voice, face, touch, play, and pauses, while respecting overstimulation and your own feelings. Checklists and reassuring guidance help you know when to simply enjoy the moment, when to keep observing, and when to ask a pediatrician or health visitor for advice. Above all, this book replaces pressure with connection and celebrates many healthy ways babies communicate. Part of The Smile and Happiness Library.