DEAR ABBY: My widowed mother-in-law, “Minnie,” works full time as a trucker, traveling around the U.S. She doesn’t have a home of her own since she lives on the road. My husband and I live in a small one-bedroom apartment. When she’s here for holidays or family functions, she always sleeps on our couch. At first I didn’t mind once or twice for holidays, but since my niece was born, Minnie wants to be home more to visit with her. My husband’s brother has a large home and plenty of space, but Minnie never stays there because she doesn’t like ...