9 Finishing Something and Not Replacing It.
Toilet paper, soap, and paper towels are likely the most-used items in any home, and ones without which a space quickly turns into a mess. If you happen to use the last of any of these essential items, it’s on you to replace it—and not just after your roommates repeatedly berate you for neglecting to.
10 Eating Their Food.
Sharing a fridge doesn’t mean you share everything in it. While you may think that a bite or two of leftovers will go unnoticed, make no mistake: your sticky fingers will catch up to you at some point. Before your roommates feel forced to start Sharpie-marking and padlocking their Tupperware, it’s time to start acting like an adult and buying your own stuff, or at least asking your roommates before you use theirs.