A doctor on his morning walk, noticed the old lady pictured above.
She was sitting on her front step smoking a cigar, so he walked up to her and said, "I couldn't help but notice how happy you look! What is your secret?"
"I smoke ten cigars a day," she said. "Before I go to bed, I smoke a nice big joint.
Apart from that, I drink a whole bottle of Jack Daniels every week, and eat only junk food.
On weekends, I pop pills, get laid, and I don't exercise at all."
"That is absolutely amazing! How old are you?"
"Forty," she replied
I suffer from paranoid amnesia. I can't remember who I don't trust.
) but I still laughed. That 'old' lady may well be only 40 
