When we talk to older people like this or call them "sweetie" or "young lady", it's called elderspeak, they appear to instantly age, walking and talking less competently.
Al hablar con personas mayores de este modo o las llamamos "cariño" o "señorita", lo que se denomina "habla edadista", parecen envejecer al instante, y caminar y hablar de manera menos competente.