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Eric's truck is full of stuff: from the receipts that flutter from the visor, to the ropes on the floor under my feet, to the marble that rolls noisily around the gear shift cowling. 
When I reached for the marble, he stopped me. I think he lives in fear that I'll fix-up, clean up his stuff, and with good reason. I would, if I wasn't such a nice, considerate, tolerant person. Why isn't there an emoji of tongue in cheek? 
The marble ? Who knows where it came from, but he likes to tease me that its rolling around is an indicator that he's going in the right direction, or some such nonsense.