"Lateral Thinking" joke

Jacob, age 92, and Rebecca, age 89, are excited about their decision to get married. .. They go for a stroll to discuss the wedding and on the way they pass a Chemist. ..... 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, scoliosis?"
Pharmacist: "Definitely."
Jacob: "How about Viagra?"
Pharmacist: "Of course."
Jacob: "Medicine for memory problems, arthritis, jaundice?"
Pharmacist: "Yes, a large variety..... the works!"
Jacob: "What about vitamins, sleeping pills, antidotes for Parkinson's Disease?"
Pharmacist: "Absolutely."
Jacob: "You sell wheelchairs and walkers?"
Pharmacist: "All speeds and sizes. .... why do you ask, ..... is there something I can help you with?"
Jacob says to the pharmacist: "We'd like to nominate your store as our Bridal Gift Registry."