It's happened in the past where if we left the furnace room door open he would go in there and poop, and then after we closed it he would go back to normal.
We've had the same uncovered litter box the entire time we've had him (10 years). Uh, I'm not sure how often my mom cleans it but we haven't had a problem with him for 10 years now. We've used the same unscented litter (or generally the same) for the same amount of time and my mom cleaned his...
Recently (the past few months) my cat has stopped using his litter. My mom claims it has been going on since some time in the summer but I dunno if I can trust that as we just found out about it.
Our cat is both outdoor and indoor. He sleeps, eats, drinks, and potties in our basement and...