"Well, you shouldn't pull them around," Loki recommended. "You might want to lend a hand, when they try to pull themselves up on you, but you've got to let them learn in their own time. They're good at knowing when they're ready for it."

"And it's not entirely true about birds either. It's just the nests getting too small and the little birdie accidentally getting pushed out when the others move around sometimes. Usually they just go further and further to the rim of the nest and get curious about the world outside and sometimes they get an accidental push and sometimes they overbalance. And then the parents show them how to fly and where all the best updrafts are ... They're fascinating to watch. Birds, I mean."