In October, we had the following conversation:
Leif: Mum, did you know it's fall?
Me: Yeah, hon. I did.
L: I didn't. (long pause) Mum, how did you know it's fall?
M: Because the calendar says "October" and because it's now cool enough we can have the windows open.
L: Oh. (really, really long pause) I think we need to move back to Iowa.
M: Really? I thought you loved Phoenix.
L: I do, but how will we know when it's Christmas?
M: (carefully weighted pause while pondering the best answer) We'll wait for Zoo Lights. When Zoo Lights starts, then we'll know it's time to get out the Advent calendar.
L: Oh, okay!