To Infinity and Beyond

Re-Pete is 6 1/2 and is starting to not be a baby any more. She is also figuring out her place in the world, and trying to understand some difficult concepts. Right now she is struggling with "infinity" and what it means. I think she thinks of it as a place in the order of numbers, she keeps asking what the last number is, and then has to question us about it. Today she wanted to know


"What comes after infinity?"
"How can there be infinity if there is nothing after it?" (Isn't that a good question?)
"What number is right before infinity?"

But the one that really cracked me up was when she asked, as if some one had been keeping secrets from her:

"How come they didn't tell us about this in Kindergarten?"