Mammon had always been greedy, obviously, he was the avatar of greed for a reason.

Though, Lucifer's complaining soon got to your ear.

And so, it was time for him to get a job, but he didn't have any business to drag YOU in it.

-- "C'mon, Human! I ain't goin' to care if ya' don't wanna come, I'm takin' ya' with the great mammon, no buts!"

he said, taking you by the hand and dragging you to Hell's kitchen, where he- well..You two, had to do a shift.