The resulting sniffs, pats, and almost inevitable rolling and nuzzling is pretty adorable to watch. Is it that, as one TikTok poster suggested, they’re “remembering their days as a street cat”? AdvertisementOn TikTok, pet behaviourist Dr Annie said there’s a novelty element too. Not only was a whole paper written about this phenomenon, but the professor shared: “This seems to be related to cats’ love of being in boxes.” For the sake of science, he says, we should consider bringing in other concrete shapes too to see whether your furry friend has a similar reaction.