Infographic: Love, By the Numbers

Valentine's Day Group Wedding Held At Palm Beach County Clerk's Office
A couple exchanges rings as they are wed during a group Valentine's day wedding at the National Croquet Center on February 14, 2014 in West Palm Beach, Florida. Approximately 40 couples were married in a ceremony put on by the Palm Beach Country Clerk & Comptroller's office.Joe Raedle / Getty Images file

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From the world record for the longest kiss to the number of U.S. marriages in a year, here's a look at love by the numbers just in time for Valentine's Day.