Age is more than a number on a birth certificate. It is a set of visual and behavioral cues that others read in a split second. When someone thinks, “how old do i look,” they are really asking how signals like skin texture, style, posture, and expression add up in the mind of a viewer—or an algorithm. Perceived age influences first impressions in work, dating, and everyday interactions, and it can even serve as a rough proxy for wellness. Today, the question meets science: psychology explains why certain features imply youth or maturity, while advanced computer vision predicts biological age from faces with surprising accuracy. Understanding the forces behind perceived…