9 Ways to Avoid Sloppy Fights After Breaking Up with a Coworker

3. Try to treat him the same way as always in the office.

“When I acted like everything was normal, the guy did the same thing,” said one reader. A lot of readers said it was an important to avoid suddenly changing the way they acted around the guy. If you act businesslike around him, he’ll probably be able to treat you like a regular coworker eventually.