The rabbi goes "Man, you've put on some weight since last time!" Priest: "Yeah I know, it is a new technique I came up with. You go to a restaurant, eat as much as you can. When the bill comes, you tell them you already paid for it".
Rabbi: "Sure, but the waiter won't believe you, right?" Priest: "Of course he won't. That's when you tell him how dare he doubt a man of faith? It usually works and you can leave without paying". Rabbi: "Very nice, I'll be trying this".
Later that day, the rabbi goes to his favourite kosher restaurant. After eating 5 plates, the waiter comes up to him with the bill.
Rabbi: "Oh, I already paid". Waiter: "Mmm, I'm pretty sure you did not sir". Rabbi: "You know I'm a rabbi, how dare you doubt a man of faith? I told you, I already paid". Waiter: "So sorry sir, you are right, it must be some misunderstanding, you're good to go".
15 minutes goes by and the rabbi is still at the table.
30 minutes...
45 minutes...
An hour and he is still there!
The waiter walks up to him: "Sir, why are you still here?" Rabbi: "Well,
Spoiler:

