A 65 y.o senior citizen goes for his annual physical.
Doctor: Mr. Jackson, all your test results are very promising. You must have good genes. How old was your father when he, you know, when he...
Jackson: What makes you think he died? he is still living and just had his 88th birthday.
Doc: That's what I mean, how old was your grandfather...
Jackson: What makes you think he died? He is alive and well at 110, and as a matter of fact he will soon marry his 29 y.o fiancee.
Doc: Well, why would he want to marry such a young woman?
Jackson: Who said he wants to?