man and woman are talking. Out of nowhere the woman says, "I can guess your age."
The man doesn't believe her, but tells her to go ahead and try.©JOKEDEMO.COM

"Pull down your pants," she says.©JOKEDEMO.COM

He doesn't understand but does it anyway. She inspects his rear end for a few minutes and then says, "You're 84 years old."©JOKEDEMO.COM

"That's amazing," the man says. "How did you know?"©JOKEDEMO.COM

"You told me yesterday."