PTSD is like, it stands for post-trauma stress disorder. It's kind of like, I'll give you an example. If you go to war, right? Like fight, you hear gunshots, you hear people die. After the war, if you hear like popcorn, like popping, that will remind you of the war and you get like a little fright kind of thing. She has that, but obviously not, it's not about guns or anything, about war, it's about her roommate. So whenever she walks by her.