 Um, or you hear the noise of the AC in the background and it could be quite irritating at first, but very quickly, you just don't notice it anymore. Right? So all these are perceptual examples, but our emotional reactions to things, it could be a dog barking. It's like a, the neighbor got a new dog and it's really scary. And we have a fear reaction, but the second time less so. And the third time less so. So there's perceptual habituation. There's emotional habituation. Um,