DEAR AMY: My boyfriend of 10 years (with a few breaks) does not have a close relationship with his parents and really no relationship at all with his two siblings. Little things have happened through the years that have upset people, and no one ever communicates or makes up with each other. He also doesn’t have good relationships with his young adult daughters. They seem to have chosen their mom over him. I know it hurts him, but he doesn’t feel he can do much about it. He does try to reach out, with little response from them. I have gotten really frustrated with how everyone acts and the horr…