The video: Graham Waspe, a partially sighted man in England, depended on his guide dog Edward for six years. When glaucoma struck the loyal labrador, robbing him of his own sight, Waspe was devastated. Enter Opal, a 2-year-old labrador who now helps both Waspe and Edward get around. (View video below.) "Opal's been great for both of us," Waspe says. "I don't know what we'd do without her."
The reaction: This is, unquestionably, the "sweetest thing ever," says Chris Spags at Guyism. Yes, says Kevin Burch at the BBC. Waspe and his wife wondered if Edward could still be a happy dog without his sight, but "the wagging tail gives them the answer." Meet Opal and Edward: