This 90 year old man goes to the docs for one of his regular check ups, and then a couple of days after, the doctor spots him walking down the street holding hands with a pretty blonde girl... When he returns for his next check up the following week, the doctor says 'I must say, you certainly seem very happy in yourself, I saw you afew days ago with a young girl in tow' the man says 'like you said doctor, get a hot mamma and be cheerful' doctor says 'no, you're mistaken, I said you've got a heart murmur, be careful'