 Yeah, that's right. We've learned a lot about post-traumatic stress through the years. We know some of the challenges that come with it. We know how effective treatment can be, and that's the really good news story. But a lot of times, people will try to avoid the PTSD, but you can't, at least not in the long run. Those symptoms like sleeplessness, isolation, agitation, reliving the traumatic experience,