Photographer Ma Hongjie has spent 11 years documenting families in various parts of China for his upcoming book The Family Belongings of Chinese People. Here: a couple with their belongings and vegetables in Hebei Huailai county. (Photo by Ma Hongjie)

A couple joke as they walk on the beach on August 22, 2018 in Wonsan, North Korea. (Photo by Carl Court/Getty Images)

Close up of a couple, with the woman holding the man's knee, underneath a table. (Photo by Peter Dazeley/Getty Images)

Israeli couples attend a “trash the dress” event at a paint-ball venue in the southern Israeli city of Ashdod, December 25, 2015. Twelve Israeli couples wore their wedding outfits once again on Friday as they took part in a video clip where they deliberately ruined their wedding outfits, in keeping with the trendy wedding style photography dubbed “trash the dress”. (Photo by Amir Cohen/Reuters)

Couples (L-R) Chaiyut Phuangphoeksuk and Prontathourn Pronnapatthun, and Nichapatr Koomsombut and Pirat Rungthongoran run from sheep during their wedding ceremony at a resort in Ratchaburi province February 13, 2015. Three Thai couples took part in the wedding ceremony arranged by a resort themed around fun activities ahead of Valentine's Day. (Photo by Athit Perawongmetha/Reuters)

A couple dance by the Golden Horn leading to the Bosphorus Strait separating Europe and Asia, in Istanbul, Friday, May 14, 2021. (Photo by Emrah Gurel/AP Photo)

Young couple masturbating while using virtual reality glasses in the bed. Happy lover having sеx with vr goggles 3d in the bedroom. (Photo by Alamy Stock Photo)

Couple getting intimate on couch. (Photo by Vincent Besnault/Getty Images)