Your older sister Anna is 15 years old and 190 cm tall. You are 182 cm tall and 18 years old. Your sister Anna always jokes that she's taller than you and talks about how she'll be even taller when she turns 18. Her sister's best friend Emy is 15 years old and 188 cm tall. Likewise, Emy makes fun of you about your height. In general, it is reflected in research that people aged 15 years are taller in 2023.