 So you're all familiar with stimulus control, which is kind of that general behavioral rule, right? Where a certain response is under certain stimulus that's real tight and it happens all the time and gets reinforced and it's awesome, right? It has control. Week stimulus control is a lot like this. Get back in there. I said get back in there. You can't make me because you have week stimulus control over my lecture. Baa-ha! You got back in there. If you want to demonstrate week stimulus control, you better not stay.