I've Been Invited on a Hunting Trip

[petey]

I'm sure he's just joking around with you. I'm also quite sure he's aware of your concern about personal hygiene for the week and has planned for that. I doubt you'll have to dive behind whatever nearest bush is available to take care of business.

Packing a garden spade would more than likely get a chuckle out of him, so if you want to play that game, go ahead a play along and then drop the ball that you knew he was joking all along.