Greed was fuming when Zoe changed. It ruined everything. He opened his mouth in protest, but watched with wide (dare he say hopeful eyes) as she buddied up to Sloth. It was then that what made Zoe so shiny to Greed unfolded itself. Zoe was giving, considerate, and Greed wanted to squish her---because in that smile from Sloth he got a tip of the hat. It was some recognition.