If you wonder why cats like boxes so much, it could be that they want to avoid stress. Vinke et al. found that shelter cats experienced much less stress if they had a box to hide in. Another reason if you live in a temperate climate is that the thermoneutral zone for cats is much higher than humans. Around 30 – 36 degrees C.
Or maybe they’re trying to hide their time portal.
Prof Panda: See?! There can't be two of you. This is definitely a paradox! You have to fix this!
Dr Mad: Can you get the duct tape?