Refugee In The Attic

It was about a month ago when a man in Amsterdam felt that he needed to confess, so went to his priest:

- Forgive me Father, for I have sinned. During WWII I hid a refugee in my attic.

"Well," answered the priest, "that's not a sin."

- But I made him agree to pay me 20 Gulden for every week he stayed.

- I admit that wasn't good, but you did it for a good cause.

- Oh, thank you, Father; that eases my mind. I have one more question...

- What is that, my son?

- Do I have to tell him the war is over?