A heart-shaped hot air balloon (R) flies in the sky during the 'Love Cup 2016' event, ahead of Valentine's Day, in Jekabpils, Latvia, February 13, 2016. (Reuters)

A diver feeds red heart-shaped squid meat to a ray at a feeding session ahead of Valentine's Day at the Sunshine Aquarium in Tokyo on February 13, 2016. (AFP)

Bride Charunee Koydun and groom British David Leslie Chesterman celebrate Valentine's Day as they take to the skies in a 'sky coaster' as part of an adventure-themed wedding ceremony in Ratchaburi province Thailand, Saturday, Feb. 13, 2016, on the eve of Valentine's Day. (AP)

A skater wearing a heart-shaped costume skates during a Valentine's Day celebration at the Medeo skating rink in Almaty, Kazakhstan, February 14, 2016. (Reuters)

A couple take a selfie during a Valentine's Day celebration at the Bangrak district in Bangkok, Thailand, February 14, 2016. (Reuters)

A woman sells flowers at the local market on the eve of Valentine's Day in Managua, Nicaragua February 13, 2016. (Reuters)

A boy inflates a heart-shaped balloon to sell on Valentine's Day in Karachi, Pakistan February 14, 2016. (Reuters)

Visitors stand in between illuminated white rose shaped LED lights, numbering a total of 25,000, at Admiralty in Hong Kong, China February 13, 2016.(Reuters)

Supporters of the Committee for the Defense of Democracy movement wave balloons and stage a protest against the government, in front of the presidential palace, on Valentine's Day in Warsaw, Poland, Sunday, Feb. 14, 2016. (AP)

A Muslim girl displays posters 'Muslims forbidden to celebrate Valentine's Day' during a protest against Valentine's Day in Jakarta, Indonesia, Sunday, Feb. 14, 2016. (AP)

A couple take 'selfie' in front of a giant heart-shaped bouquet display by a vendor to attract customers on Valentine's Day, Sunday, Feb. 14, 2016. (AP)

A Filipino sells hear-shaped balloons at a flower market in Manila, Philippines on Valentine's Day, Sunday, Feb. 14, 2016. (AP)