Get in the spirit of Valentine's Day with MLB's most heartwarming Kiss Cam moments

Happy Valentine's Day! Between rounds of chocolate-eating and card-giving, today is a day for solemn contemplation of the sanctity of love -- by placing two people on camera in front of thousands of strangers until they show affection for each other. Nothing says romance quite like the Kiss Cam, and the ballpark has seen all manner of shenanigans on the Jumbotron. There's been dugout bonding:

And there's been broadcast bonding:

There have even been former Presidents, like noted Braves fan Jimmy Carter:

One Astros fan even saw your head of state and raised you one live proposal (don't worry, she said yes):

Alas, even as powerful a statement as the Kiss Cam has its limits -- it even tore one couple at Minor League game apart:

While that turned out to be an elaborate and hilarious prank, we do have one more quick note: It's probably not a great idea to apply it to a brother and sister, unless your goal is to drive one of them out of the stadium: 

It couldn't even bridge the divide between Giants fan and Dodgers fan:

The lesson here? It's probably better to just stick someone who shares your rooting interest:

... as long as you don't, uh, forget about your actual partner.