You shouldn't be rude to your coworkers.
Tom is at lunch with some of his coworkers, and he has a headache.
Tom wants some peace and quiet and wants to be alone.
Tom excuses himself and says he is not feeling well and goes to relax in his car.
Tom tells his coworkers to get out of the break room and leave him alone, he needs quiet.
Tom gets peace and quiet and maintains good standing.
The coworkers are offended and think Tom is being a jerk.