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But what is "the chickening"?

Jack Weaver suffers from Wolf-Hirschhorn syndrome, a genetic disorder that delays development. According to his mom, Shannon, he's been having a particularly hard year. Since Christmas is his favorite time of year, she thought that a card or two might help cheer him up so she asked the internet and the internet delivered.

More than 50 cards have already come in, many of them with sweet messages to Jack like this one:


via Shannon Gaal-Weaver

Shannon says that any gifts they receive will be donated to the Peyton Manning Children's Hospital where Jack has spent a lot of time.