I'm not a hoarder; I just see the potential for a future use that I don't quite know of for these cardboard boxes and paper rolls. Never know when you'll need a lot of cardboard ...
It would be like one compulsive helping out another.
https://www.youtube.com/watch?v=UGb4tqOMt1A
(Only joking people, don't buy pets unless you are ready to properly care for them from cradle to grave!)