Their lips locked for more than 32 hours, seven couples were still in the running Monday to claim the title of world's longest kiss and $6,500 in prizes.
Fourteen couples began the marathon smooch in Pattaya, Thailand, on Sunday, and seven were still in the running Monday afternoon, The Nation in Bangkok reported.
Couples could not break lip contact for any reason. They were even required to go to the restroom together, according to news reports.
Participants had to be at least 20 years old and legally married, the Pattaya Daily News reported.
The previous kissing record was 32 hours, seven minutes and 14 seconds, set in Hamburg, Germany, two years ago, the news reports said.
Organizers hoped to get the record certified by Guinness World Records, which lists a few other "love" records in the spirit of Valentine's Day, including: