DEAR ABBY: My mother-in-law is contemplating a move to the small Southern town my husband and I have called home for more than 10 years. She’s a vibrant, well-to-do Southern lady with many friends and family in the big city where she has lived her entire life. The problem is, I really don’t want her to live near us. We have five children whom she constantly tries to tell me how to raise, and I’m n…