Illustration: Damon Dahlen/HuffPost; Photos: Getty Narcissistic co-workers can make your job hell. And according to Marie-Line Germain, a professor of human resources and leadership at Western Carolina University and author of “Narcissism at Work: Personality Disorders of Corporate Leaders,” narcissists often find “safe havens” in the workplace. Confident colleagues can celebrate your success and want to see their co-workers shine, …