couple as close as cojoined twins

Mr and Mrs Lattimore are not unlike conjoined twins they go everywhere together store, movie, restaurant, doctor’s, dentist, it is as if they share a spinal column or a breast plate prior to marriage they had separate names separate lives separate friends separate relatives they might as well sell their second car it has not been used since their wedding twelve years ago one of them is a relative it might as well be both they sit together at a table answer questions directed to the other if you call, you are put on speaker speaking to both, never just one I wonder if they use the same public restroom?