"It was somewhat emotional for us and emotional for her as well," said Roger Chapin, father to Grey, 13, and her sister, Blair, 15, who has a rare metabolic disorder called Sanfilippo syndrome. "It means so much to a family who's struggling, to have somebody acknowledge what you're going through even when they're going through tough times as well. Ya know, to think enough to keep that promise and — put her game face on and come over, is what she did."