Yeah, we know why you gave us the extra 5k - you know you're just gonna be mopping all of it back up by the end of the week!
This whole thing reminds me of a line from "The World Is Not Enough":
Zukovsky: Bull, give them an inch.
[Bull gives each girl an inch-thick stack of cash, and the three of them start to leave]
Zukovsky: And make sure they lose it in this casino, huh?