Ezra desperately needed to hear that someone would make it better, even if he had a hard time believing her. It wasn't personal - he trusted her more than anyone that wasn't his sister (and she was far more actually worthy of that trust) - but he knew how far things had fallen. Today of all days, he knew that above all things.
He sniffled and squeezed his eyes shut as he scrubbed a hand over his features, trying to pull himself together, even if all he wanted to do was break down and stay right where he was. But he wasn't a child, and it wasn't like Jo hadn't her own trauma to deal with. So, as much as he felt better where he was he did sit up, and made himself look at her. It was hard for him, something he didn't do a lot of anymore, just like talking.
In the end, what he did was shake his head. "She's not there anymore. I don't recognize her." Pain pinched his features again, and he looked down once more. "She isn't-- she can't--"