DETROIT — Valentine’s Day dinner at White Castle with candles, attentive wait staff and white tablecloths was a treasured experience for Krystal Gray and her mother, Cornelia Murphy.
This year, Gray will bring along a photo of her mother, who died last spring at age 80, and place it on the table she has still reserved at one of the fast-food chain restaurants in the Detroit suburb of Ferndale.
“It wouldn’t be the same without her,” Gray said. “I wanted something to make me feel better about her not physically being able to come.”…