Shouting at others when you're upset isn't polite.
James came home with a headache, and his roommates kept talking loudly.
James wants peace and quiet that won't trigger his headaches.
James asks his roommates to keep it down so his head doesn't throb.
James screams at his roommates that they're inconsiderate jerks for being so loud.
James' roommates agree to be quiet and one volunteers to make him a cup of tea.
James' roommates say that he's the jerk, before abandoning him to go out to a bar together.