But this couple weren't just locking lips for fun - they were competing in an underwater kissing competition!
A water park was holding the kissing competition in Shenzhen, southern China, to see which couple could snog underwater for the longest.
Out of the 20 couples who took part, the winners were 23-year-old Yan Kehui, an auto mechanic, and his girlfriend, 22-year-old Zhou Yinjie, a secretary, who managed to smooch without air for an incredible 40 seconds.
But despite their victory, they weren't impressed with their efforts.
"We felt we can do better," said Zhou. "As we tried at home, and by holding breath, we can kiss for a minute."
Their prize was a year-long entrance card to the park - lucky them!
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