DEAR ABBY: My mother is extremely self-centered. Ever since I can remember, everything has always been about her. That’s probably why she and Dad split. You can’t have a conversation with her without her turning it around and making it about her. I’m 25. I just want to have a regular conversation with my mom without her somehow bringing the mood down by saying she has demons to deal with on her own and she can’t be positive or happy for others. Abby, there’s nothing wrong with her! She’s healthy, fit, has a wonderful job she claims to love, and ...