I think the more the actor lets you know what he thinks of the character, the less the audience cares - like a comedian who laughs at his own jokes.
Neil LaButeI will say that the idea of a woman being deceptive came from that original discussion with critics and reporters about if woman could do that kind of thing. Evelyn, herself, grew out of the discussions about how capable women are of deceit and lying and manipulation.
Neil LaBute