Grad school mother guilt

After serving a well-balanced healthy dinner to the two of us and sitting down at the table together on a weeknight:
N: Mom, I want to be a mom just like you.
Mom: You do? That's so nice to hear. I like being your mom.
N: Except I won't ever go to work and my babies will never miss me.

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Several weeks ago.

N: (very serious) Mom?
Mom: Yes.
N: I don't believe in Santa Claus, but I do believe in Jesus.
Mom: Oh? Why is that?
(Dad leans head into the room with similar look of concern I'm hiding)
N: Because Santa Claus is a CHARACTER and Jesus was a REAL PERSON. But I'm not so sure about Leprechauns.