Bean arrives as Ego is busy working.

Bean: Hey! Did you see how nice it outside today?

Ego: Doesn't matter. It's Monday and that cancels out anything good about today.

Bean: Well, technically the title "Monday" is nothing more than a man-made convention used for scheduling purposes. In reality, there is no such things as "Monday".

Ego: That's ridiculous. By that logic, there'd be no such thing as "Christmas Day".

Ego ponders what he just said and comes to a realization.