When you are about the same age as Jacob and Mary and you both
want to married together, this is what you should know.

Two very active seniors (Jacob, age 92, and Mary, age 89), living in The Villages, are all excited about their decision to get married. They go for a stroll to discuss the wedding, and on the way they pass a drugstore.
Jacob suggests they go in.Jacob addresses the man behind the counter: “Are you the owner?” The pharmacist answers, “Yes.”
Jacob: “We're about to get married. Do you sell heart medication?”
Pharmacist: “Of course we do.”
Jacob: “How about medicine for circulation?”Pharmacist: ”All kinds.”
Jacob: “Medicine for rheumatism?”
Pharmacist: “Definitely.”

Pharmacist: “You bet!”
Jacob: “Medicine for memory problems, arthritis and Alzheimer's?”
Pharmacist: “Yes, a large variety. The works.”
Jacob: “What about vitamins, sleeping pills, Geritol,
antidotes for Parkinson's disease?”
Pharmacist: “Absolutely.”
Jacob: “Everything for heartburn and indigestion?”
Pharmacist: “We sure do.”
Jacob: “You sell wheelchairs and walkers and canes?”
Pharmacist: “All speeds and sizes.”
Jacob: “Adult diapers?”
Pharmacist: “Sure, how can I help you?”

Jacob: “We'd like to use this store as our Bridal Registry.”

It is funny but right now I am dealing with a 101 year old mother in law + that's not humerous. Your joke is funny though.