[It's his avoiding eye contact that makes her step even closer to him, so she can peer at his face as he closely inspects a spot on the floor. Yona's still unsure what to say, especially because she can tell this is hard for him. But something needs to be said, clearly, and the most uplifting thing she can think of is ...]
You can show it to me, if that's easier?
[She notices only after she's said it that this sounds like she's very interested in the subject matter. Which she isn't. Not really. She is interested in him and how he relates to that shop.
Even more embarrassed than before she waves her hands around nervously, trying to clarify.]
You don't have to if you don't want to. I just ...
[Now she's the one avoiding his gaze, gently holding on to his sleeve and tugging at it as she goes on.]
I can't believe I haven't found out you work there before ...
[Because that is the only explanation that makes any kind of sense.]