Robot couple Xiaolan (L) and Xiaotao carry trays of food at a restaurant in Jinhua, Zhejiang province, China, May 18, 2015. The restaurant, which opened on Monday, has two robots delivering food for customers. The robots were designed as a couple, Xiaolan and Xiaotao, according to local media. (Photo by Reuters/Stringer)

Couples take part in the “Love and Challenge Marathon” in Hanoi, Vietnam, 16 August 2015. Fifty couples, who are going to get married, participated in the event which is held the fifth time. This year, the winners of the marathon received a honeymoon trip to Malaysia. (Photo by Luong Thai Linh/EPA)

In this February 14, 2019 photo, a newlywed couple kisses while posing for photos at one of several free sets placed for newlyweds to take cell phone photos of themselves following a mass wedding ceremony on Valentine's Day in Mexico City. Hundreds of couples of all ages, many with their children, gathered to legally tie the knot in a mass ceremony in the capital's Venustiano Carranza neighborhood. (Photo by Rebecca Blackwell/AP Photo)

A couple watches office and residential buildings from the observation deck of Tokyo Skytree, the world's tallest broadcasting tower, in Tokyo, Japan, August 18, 2021. (Photo by Marko Djurica/Reuters)

A couple walks past a burning roadblock set up to protest against a recent kidnapping and shooting in the Petionville neighborhood of Port-au-Prince, Haiti on November 1, 2021. (Photo by Adrees Latif/Reuters)

A couple enjoys the view of the ethnographic and amusement center Kremlin in Izmailovo reflected in the Serebryano-Vinogradnii lake in Moscow, Russia on July 30, 2017. (Photo by Mladen Antonov/AFP Photo)

A couple shelter under an umbrella during a heavy downpour of rain in Belfast, Ireland on Monday, July 31, 2023. (Photo by Liam McBurney/PA Images via Getty Images)

Couples participate in the “Running of the Brides” race in a park in Bangkok November 29, 2014. Seventy-five husbands and wives-to-be wore their wedding dresses and running shoes and competed in an event for a combined prize worth 1 million Thai baht ($30,460). (Photo by Damir Sagolj/Reuters)