If you don't see it, it didn't happen

Cort had the following conversation with Joseph at bedtime tonight:

Cort: Joe, why is your bed wet?

Joe: I don't know.

Cort: Did you wet the bed?

Joe: No

Cort: Then why is it wet?

Joe: I don't know!

Cort: Where are your PJ bottoms from last night?

Joe: In the laundry room.

Cort: Why?

Joe: Because they were wet.