Memorable kisses (46 images)

A couple of San Francisco Giants fans celebrate winning the World Series while watching on a giant screen in the Civic Center of San Francisco on October 28, 2012. The Giants beat the Detroit Tigers 4-3 in 10 innings to sweep the Series. UPI/Terry Schmitt

Students hold up signs before President Barack Obama and Republican Presidential nominee Mitt Romney debate at the second Presidential Debate at Hofstra University in Hempstead, New York on October 16, 2012. UPI/John Angelillo

Same-sex couple Juan Rivera (L) and Eric Manriquez participate in a "kiss-in" outside a Chick-fil-A restaurant, in the Hollywood section of Los Angeles on August 3, 2012. Chick-Fil-A CEO Dan Cathy's comments against same-sex marriage have sparked controversy on the issue. UPI/Jim Ruymen

Protesters kiss one another at a rally by the Coalition to March on the RNC at Perry Harvey Park in Tampa, Florida on August 27, 2012. The march is in response to the 2012 Republican National Convention which starts today in Tampa. UPI/Matthew Healey