The humans regularly head down to the dark cave in the house where my litterbox is. They come down here to make noise with their large metal contraptions. One sprays water inside itself and they both vibrate, sometimes loudly. I do not know why the humans do these things. I call out to ask them about what they are doing and they respond back sounding like they are trying to mimic me. Then the staring competition begins, which of us will look away first? Either way I know my head will be rubbed lovingly before they make their way back out of the cave.