15 Watching TV Too Loudly.
If your roommate needs to raise his or her voice to speak to you in the living room, you’re watching your entertainment too loudly. Whenever you can, listen to your TV shows or music on a medium volume—or, better yet, invest in a pair of bluetooth headphones so that your entertainment preferences won’t bother anyone else.
16 Leaving Dishes in the Sink.
Unsurprisingly, Anderson cites coming home to a sink full of dirty dishes as the classic annoying roommate behavior. Sure, you’re simply leaving those plates in the sink “to soak for a bit.” You’re also preventing anyone else from using what’s supposed to be a communal space.