I'll begin.
DP and I have a shopping agreement, one of us shops and the other unloads the car and puts everything away. A couple of weeks ago we had a minor spat about housework and I went off to Tesco, did the shopping and headed to the checkout. Now, not only did I double bag everything and fill it as much as I can, I also parked a few houses down as the car "wouldn't fit on the drive way".
How about you?