 You know, it is really tough on caregivers and family members. You know, the diagnosis of leukaemia, dementia in particular, is difficult because of the fluctuation of the cognitive status and the swings that you'd see. But more importantly, you know, if you could really, if I could talk to him, it would be interesting to hear if he'd have any, that most of the patients do have some visual hallucinations. For instance, they might see some animals or people that aren't there. And