"I wish I really am the daughter of the person I think of as Mom!"
Zoe (#2) loosened her grip on the stone after making the wish, and Jon easily took it from her.
Everyone watched and waited. For a flash of light, perhaps, or a sensation of having to look away.
And of course, nothing happened.
Jon hugged the second Zoe. "I already told you you're really my daughter now," she said.
