The Sentinels they suggest a second opinion

It was so hard to explain death to a child in a way it might understand. For Rowan she was quiet for a moment, gently nosing the puppy's shoulder to just give her a little touch of comfort. "It is like sleeping - but forever." Rowan explained. "Never waking again." She supplied. It was nothing that the little puppy had to worry about for many, many years to come - but still, the information was new to the child.