The author used imagery in this excerpt!
They are fighting because they are rivals.
Hmm I'm guessing he's basically the one with the power and the money to say things, or maybe he owns something big or something that is used everyday. Maybe, he's just respected by everyone and will understand what you have to say.
Answer:
The warm, vibrant room evaporates into a brisk, solitude.
Explanation
Look up words to make the sentence more awake. Try the Thesaurus. Try embedding the one sentence I typed into your sentence it could work. Maybe come up with other words.
1. Appropriate 2. Inappropriate, seek help immediately 3. Inappropriate, seek help immediately 4. Appropriate