 So if they're excited, they sound like this. If they're happy, they sound like this. If they're sad, they sound like this. And sometimes social interactivity is a little odd. Also close talkers or certain social cues. If somebody's busy and they're kind of turning away from you, giving you the social cue saying, hey, I've got to get back to work, the person will still stand there and talk. Little things like that just to kind of give people an understanding. Are those some of the things that your son...