[He does a good job of looking displeased that Cooper would even think he was Gluttony's friend. After all, why would Envy be involved in a joke like this, he's a good and upstanding guy! Definitely! ...Although this whole situation is pretty suspicious already.]
[action] fine with me!
[Envy tries playing dumb first.] Friend? Hardly.
[He does a good job of looking displeased that Cooper would even think he was Gluttony's friend. After all, why would Envy be involved in a joke like this, he's a good and upstanding guy! Definitely! ...Although this whole situation is pretty suspicious already.]