"I most certainly did not! You can't cheat at this, it offends the cards." She didn't have to affect an outraged expression, this one came naturally. "I wouldn't do that to you either, it would be unfair, and it probably wouldn't happen, so where would be the point?"
Not to mention it wasn't her doing the reading and if Manny was rigging readings, well, he was the one facing the wrath of the cards or the spirits. Not her.