When you're five, anybody over 10 is old. When you're in elementary school, anybody in Jr. High is old. When you're in Jr. High, anybody in high school is old. When you're in high school, anybody over 20 is old. When you're college age, anybody over 25 is old. Then the rule changes to anybody that's 10 years older than you is old until you reach 60. Once you're in your 60s, anybody who is 85 years and above is old. Once you hit 70, anybody your age or older is old.