"Give it time, Regulus. Shh." He put a finger on Regulus' lips, partly just to see that spark of indignant anger in his eyes. However, Barty also reached for his wand and used it to quickly cast a warming spell, then accio the blanket from the other room. He helped Regulus get comfortable, wondering if he should risk food. For now, he decided, water would do, and so he accio'd a bottle of that as well, opening it up and holding it for Regulus, not sure just how weakened he was. "I will tell you everything and answer your question. But first, tell me how you feel."