There's nothing like a good kiss. There's also nothing like a bad kiss. But why do we kiss in the first place? It's such an odd activity, yet 90% of all people do it. Laci joins Anthony in search of the answer.

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Kissing helps us find the right partner -- and keep them
"What's in a kiss? A study by Oxford University researchers suggests kissing helps us size up potential partners and, once in a relationship, may be a way of getting a partner to stick around."

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