It looks like a kiss but this male and female blackbird were fighting in flight in Charlton Adam, Somerset, South West England in July 2022. (Photo by Ben Pulletz/Solent News)

American media star Kourtney Kardashian kisses American musician Travis Barker to promote her new Lemme vitamins in the second decade of October 2022. (Photo by kourtneykardash/Instagram)

A woman kisses her mother during a New Year's Eve party in Quezon City, Metro Manila, Philippines on December 31, 2022. (Photo by Eloisa Lopez/Reuters)

Festival goers kiss in the “Silent Disco” at the “Music in the Park” stage during the 50th Montreux Jazz Festival, in Montreux, Switzerland, July 9, 2016. (Photo by Anthony Anex/EPA)

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

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 embraces at the San Fermin festival in Pamplona, northern Spain, July 10, 2016. (Photo by Eloy Alonso/Reuters)

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