Worry about what? [Elizabeth is starting to sound annoyed and angry that Shu brought this up and is now refusing to talk about it. There is clearly something for her to worry about, and Shu saying that Gai didn't want her to worry isn't going to make her carry on as though nothing had been said.]

Listen Shu, you have two choices here: either you tell me what's going on, what happened while I was gone-- or, I go to Gai directly and make him tell me. And believe me, I have my ways of making him talk. It's your call.