""Reasonably recent" references are met with dead silence and confusion by young adults/teens.
Kids call you "sir" or "that man over there"
Body aching the morning after moderate physical activity.
Food starts to give you problems while you used to eat tons of it with no repercussions."
2) Just the other day this older lady at the gym front desk told me "have a great day sir" as I was headed out. I thought "who are you to be calling me sir?" Then I realized she probably is 12 - 15 years my junior.
It's all good though. Blessed by God every day!