"Wedding Gifts" joke

Jacob, age 92, and Rebecca, age 89, 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.

Says 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, Geritol, antidotes for Parkinson’s disease? ’

Pharmacist: ‘Absolutely. ’

Jacob: ‘You sell wheelchairs and walkers? ’

Pharmacist: ‘All speeds and sizes. ’

Jacob says to the pharmacist: ‘We’d like to register here for our wedding gifts, please. ’