Old man sat on a park bench crying his eyes out. Young lady goes to comfort him. "What's the matter?" she asks.

"It's my 97th birthday today" he replies. "I have a 21 year old wife who loves me and makes passionate love to me every night. I have millions of pounds, a Rolls Royce and everthing I could ever need."

"Well, why are you crying?" asks the girl

"I can't remember where I live..."