"Just... don't push her too hard, please." She can definitely be a tough nut to crack if there's something she doesn't want to address, though surely you're not trying to compare her stubbornness to his own. You don't even know the lengths he'll go to in order to keep his own secrets secure! "I'm worried about her, of course, but I don't want her to feel like she's being hounded for something if everyone's asking from every side, you know?"

That's just gonna make her feel like she's being backed into a corner! And that's no good!