6-year-old Child: Mommy, I can't sleep.
Mother: Why not, Honey? What's wrong?
Child: I keep thinking bad things.
Mother: Oh no! What are you thinking about? Was Scooby Doo Meets The Mummy too scary before bedtime?
Child: No, not Scooby Doo. I keep thinking about what you said at Girl Scouts.
Mother: What I said...? What did I say at Girl Scouts?
Child: It was when you were talking about outer space.
Mother: Hmmm. Honey, I really can't think of anything I said that might have been frightening. Can you tell me what scared you?
Child: You said that the sun is four billion years old...
Mother: Well, yes...give or take.
Child: ...and that it would burn out soon.
Mother: Uh, well...not soon. Not for about another four billion years. Give or take.
Child: But I keep thinking about what will happen to us when it burns out!
Mother: Well, Honey, I'm thinking that barring some sort of miraculous anti-aging serums or exceedingly good luck, we're not going to be around in four billion years to find out.
Child: Why? Where will I be?!
Mother: Uh...well...you do understand that the average Western human lifespan is around eighty...
Mother: I mean...nine..
Child whimpers and sniffles.
Mother: ...a hundred and twenty years old?
Child: That's not a lot of time! What will we do when the sun goes out! Where will all the people live?! What will happen to the animals?!
Mother: Hmmm. Well, I'm thinking that in the next four billion years, someone will figure out a solution.
Child: Maybe build a spaceship to travel to another planet?
Child sniffles and bites lower lip.
Mother: Yes! Of course! A spaceship is entirely possible!
Child: And all the animals?
Mother: Absolutely! All the animals too!
Child: And my toys?
Mother: Of course!
Mother: Do you feel better now?
Mother: Okay. Now, back up to bed. Mommy is doing her Mommy stuff.
Child: Good night, Mommy.
Mother: Good night.
Mother resumes typing. 10 minutes later, the pitter patter of slightly larger feet down the stairs.
9-year-old Child: I can't sleep.
Mother: What's wrong, Dear?
Child: You know how Daddy said that the universe is expanding?
Child: You know how the universe is expanding, and...
Mother: Wouldn't you rather talk about the monster under your bed?
Mother: The monster in your closet?
Mother: You sure?
Child: You know how the universe is expanding....