With their friends, not being a part of family life? and sometimes it may be just the opposite, that they are becoming irritable and their behavior isn't at all what they're used to being. and then they can also be without symptoms completely. so that's the benefit of a screening recommendation. >> so, marty, if you find a child, and i imagine it could depend upon the severity of it, what do you do with it then? i can imagine there are a lot of parents who are saying i don't want my child at 9 years old on medication for this. so what do you do? >> yeah. importantly, screening isn't a diagnosi...