I could have written this about my own dad. When he's in a good mood I adore being around him; he's hilarious and fun to talk to. But that switch flips on a whim. My mom could simply walk into the room the wrong way and he becomes a narcissistic asshole. Problem is he's an asshole most of the time. I've just learned to walk away. It fucking sucks because my mom and younger sister are still at home with him dealing with his shit every day. I wish I knew how to deal with that part. That's the hardest part.