His body is cold. He doesn't need to breath, and he doesn't have a heartbeat. There's probably at least a small amount of fear in Susan's heart at being so close to Lauren, but Lauren is still his brother. When Susan wraps his arms around him Lauren does the same in return, resting his lips against the crown of his brother's head. He doesn't know what to say about the way things are. He's been lost in thought since Susan left, and he hasn't managed to accomplish much of anything.