Nate nodded his head and then went back to watching the movie. Luna would find at the end of the film that Nate was out cold with his head resting on his arms as he slept
As this was happening, Nicolas was sitting and speaking with Skye's doctor about getting her out of the hospital at that point in time - get her settled at Sky's place the next day. Actually making plans for this to happen.
Nicolas was just stating, "I know.... I know." No this whole situation was stressful for him as well... yet a lot of it had to do with the fact that his sister had gotten hurt in the first place.