Iestyn would take any reason to finally, finally be free of the spectre of Lucifer's presence. He took a deep breath, Michael's reinforcement letting him believe it. After all, he was Michael, if Michael believed it then it must be true.
One deep breath turned into two, and three, and then he was gasping in relief and he put his hands on the sides of his head and then over his face, feeling like he was about to fall apart. Henry touching him was the only thing keeping him grounded. "Oh God, thank you, thank you," he breathed, eyes blurring with tears.