Well, Loki - that's Laufey's son - you know he always lands on his feet. Falling down or falling up, it makes no difference: he knows how to land. A long time later, a very long time, he wandered back to Asgard; weary, footsore, and very angry. He wouldn't tell anyone where he'd been or what happened, oh no. But he was angry, and then the real trouble started in Asgard.
"What trouble?"
That's another story for another day, and not a pleasant one, either. But did you know this? As long as you're upside down, like Idunna's trees, you won't grow old!
"Aha!" all the children cried. At once there was a forest of legs wavering and teetering in the air as they tried to balance on their heads.
The tale-teller clapped her hands. "Enough, now - run on home. Your parents are waiting." She shooed them away. Starting towards her home, she saw that Harald was still upside-down and turning bright red. Laughing, she picked him up by the heels and dropped him headfirst onto her haystack. Harald somersaulted off and trotted down the path, as the storyteller stepped smiling through her doorway. - jc