A couple who did not give their names walk in downtown Havana, February 2, 2015. (Photo by Alexandre Meneghini/Reuters)

A couple sunbath on the beach in Ostrowo, northern Poland, July 20, 2015. Picture taken July 20, 2015. (Photo by Kacper Pempel/Reuters)

A couple watch the sunrise in front of the Mediterranean Sea in Barcelona, Spain, Sunday, January 24, 2021. (Photo by Emilio Morenatti/AP Photo)

A couple sit on the terrase of a cafe in Istanbul as seagulls fly over them on September 10, 2019. (Photo by Ozan Kose/AFP Photo)

A couple chats at a park during sunset in Chihuahua November 15, 2014. (Photo by Jose Luis Gonzalez/Reuters)

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)

A wedding couple poses for a photographer during a wedding photo shoot March 9, 2011 in Hanoi, Vietnam. Its is traditional for middle and upper class Vietnamese couples do a wedding fashion shoot posing for wedding portraits a few weeks before the wedding so that a wedding photo book is produced. (Photo by Paula Bronstein /Getty Images)

Couples kiss during a kissing contest in Wuhan, Hubei province, November 23, 2014. Some 20 couples attended the contest and the winners have been awarded an iPhone 6, according to local media. (Photo by Reuters/Stringer)