[He seems dejected (for good reason, she thinks) enough that she doesn't want to approach him in a room full of people, not wanting to cause him to stay longer in a place that might overwhelm him, but... When he leaves to the comparatively empty foyer, she follows after a few minutes. She approaches carefully and speaks gently.]
...You were pretty close with her, huh?
[It's an invitation to talk phrased as a question. It's up to him if he takes advantage of the offer, of course, but it's clear from her tone and expression that she's here to listen to anything he might need to let out.]
external foyer
...You were pretty close with her, huh?
[It's an invitation to talk phrased as a question. It's up to him if he takes advantage of the offer, of course, but it's clear from her tone and expression that she's here to listen to anything he might need to let out.]