The context of the following conversation is Aubrey said nothing to Kai about his affair because She wants to have advantage at divorce court.:
Aubrey says I can't wait to finally go to court and get this stupid divorce over with..
The friend responds How's Kai acting? Is he being cordial about the whole deal?.
Aubrey responds No, he's being stubborn and arrogant. But, I have something that'll give me an advantage at court..
The friend responds What do you have?.
Aubrey responds I have proof of his affair. He doesn't know I know so he's going to be shocked..