Bosses don't have to be nice to their employees. Sometimes to gain respect you have to be firm with your employees, and they probably not going to like you for that, which is completely fine by a lot of employers, as long as things get done on the job. But still, many bosses managed to create a successful work environment while still having a good relationship with their employees, which is truly admirable. That being said, even if your boss isn't nice to you, there are still parts of the job t…