It's a reply she initially hums to, content to let it be, but he goes on to speak of Zenyatta, which already has her smiling fondly, and then Hanzo— she understands completely.

"It has been refreshing, hasn't it? I'm glad for much the same reasons on your behalf. I never wanted to see you being second-guessed or avoided."

Hanzo's a slightly more difficult manner, but...

"Did I tell you how I met Hanzo, here?"