He smiles warmly at her, moving to brush strands of hair away from her face before lightly cupping her cheek. Moving forward, he brushes a kiss against the sip of her nose, the smile remaining on his face once he pulls back.

It's his way of saying thank you, the little displays of kindness, the touching. He's seen into her mind, knows that she doesn't get affection, doesn't let herself get touched.

He's showing her it's all right, that he can touch her if he so chooses and there's no risk of illness or infection.

At the offer of tea, he laughs, shaking his head. He can't actually consume things like tea or biscuits or anything else that people usually consider food and drink. His diet is strictly language and nothing more.