People who are truly difficult to be around often say these phrases:1. They're miserable to be around and they expect everyone to cater to their ego, even when they're clearly wrong. 'I can't change, it's just how I am'Everyone can change, but only when they want to. When they don't say the right thing, it's someone else's fault. With the tone that you can't shake or overlook, a truly miserable person often says "Who cares?"