It's the one advantage of them being in a home together. They all suffer in varying ways from the trauma of the war. They know that and share it. They don't look at one another and expect them to just be over it. So many wanted to leave it in the past, and the three of them know it won't ever absolutely be over. Not for them. For things like this. Like the nightmares.

"I didn't sign up for being a child soldier in a war either, but that doesn't change I was. If you couldn't control them, and it was every night? I would still be here, Potter. Absolutely."