Possible Clues:

• There's six seen about what one is green with
• Seen to be green around six
• Is green?
• Commits a deadly sin
• Begrudges, is jealous of
• That's seen to make one green around six
• Wishes to be in the shoes of
• Seen that it's grudging about six
• Seen to be about six - enough to make one green
• Wishes one were (6)