Nina reflects his smile at first, happy for them, then knits her brows at his request. "I actually haven't told him the whole truth about... about Aleksander when we've talked about him," she admits. "Especially after I confronted Aleksander about his future. With all of the confusion it seems like both of us have had in the aftermath, I didn't want him to do anything... too rash." It's fairly obvious she means Binghe.