Benjamin said, "You know that I know Santa Claus is not real, right?"
Sure, I said, but it's nice to pretend.
"Now wait a minute," Steve says, "we have evidence! We had presents under the tree that said 'from Santa'."
Benjamin said, "yes, that's because some people know how to spell Santa Claus."
For the record, I didn't tell him Santa is not real. His best friend at school has 3 older brothers.