Advice to know-nothings:

You know you're getting old when people tell you how good you look.

When you turn thirty and you've got a good income and you're running late for the bus, don't bother running after it, take a cab/taxi to get to it!

You should begin considering yourself old when your birth certificate was a scroll.

What's something that you're likely to hear if you hear two mother kangaroo's talking (a marsupial (animal) native to Australia)? "Gee, I hope it doesn't rain today, I hate it when the kids play inside!"

Plagerism is really bad. Don't do it.