To Greed this was an invasion of his property. It was like stealing right out from under his nose. It was why he hadn't made a decision on this guy. He was a threat for Greed. He was a normal boy that could give more than Greed could ever return of Zoe's affections. He still didn't want her stolen.
Greed watched under thick lashes, appearing as the pretty face he was without even glancing at Zoe when she tugged on his hand. He could see her out of the corner of his eye, he even squeezed her hand back but he didn't drop his Sin face.
"I play with money." The world would call him rich right now and poor at the same time because he played both sides. Make, take, spend and hoard.