One more thing about Santa - because nothing says fun like bringing your kid to tears like the holidays. 
We knew - thanks to her many proclamations - that Lucy was still on board with the Santa gig. But we weren't sure what Max thought. We figured from his lack of reciprocating said proclamations that he was suspicious. And we (I say "we" because, yes, Ricardo and I had more than one discussions over this very subject) assumed he was staying mum about it to not fizz out Lucy's dream. Aww, how sweet is that? Well, it was that or he didn't want her to punch him. He's smart like that.
So you can imagine our surprise on Christmas Eve night, hours after we'd sent them to bed, when he came down stairs hysterical and crying. We could barely understand what he was so upset about. I mean for crying out loud, it's the one night a year we get the kids to bed with the promise of a man breaking and entering to bring gifts for kids. Toys from strangers? Sure, it's cool. Max was desperately searching for the right words. And finally: "Well...sniff sniff...I was thinking that if Santa doesn't come I'll blame you guys because you didn't go to bed in time. He could be flying over any minute!" And then he just collapsed in my arms, shaking and completely shuddering at the fact that a) Santa might not come, and 2.) he was heart broken that he had to call us out like that. Guess we were wrong about the whole belief thing with Max...
So we turned off our movie and followed him up to bed. Tucked him in and tried as best we could to lay in our bed and out last Max so we could welcome Santa when he got here.
Max didn't notice that Santa had already eaten the cookies...
That's how I roll.
Zach had a very similar freak out! He was very concerned that we were not getting to bed early enough. So concerned that we finally had to do the same thing you did!
These memories that you capture with your kiddos are so priceless, Leslie. They often bring tears and laughter...I love 'em.