[That's so nice??? He still has so much difficulty with the idea of anyone being nice to him, especially strangers. She also sounds nervous about bothering him, so he smiles a little to try to assuage that.]

I don't mind. Thank you, that was very kind of you. [He slides his fingers along the table to find the glass and takes is up. Offering accepted!] I was only brought here a couple days ago, so I feel like I have a lot to catch up on.