 that were familiar that you were usually able to do. And I know he's been very adept in his career. Your familiar things are not familiar anymore and you're not able to do them. Where dementia, where it starts to seem like dementia or where you start to see warning signs is when it's disrupting the way that you live, the way that you work, the way that you do activities if you're retired. So it's when it becomes disruptive to daily life.