Caitlyn smiles and goes to the closet close by her room and gets some more blankets and pillows and provides the Doctor with them. "Well, you're most welcome. Well alright then, where to start first...how about you tell me about regeneration if it's not too much to ask. I'm really curious, how does it work exactly? Is it almost like a reset button?" She asks curiously afraid to push him too far too quickly about what he might want to answer or not. She felt bad knowing that he hasn't had anyone to look after him this whole time. Well, she would, as long as he wanted her to, and didn't mind her presence.