Asking Eric: My MIL is giving my nice and nephew false hopes about inheritance

Dear Eric: I have teen nieces and nephews who have been misled by their grandma—my husband’s mother—to believe everything my husband and I have will go to them someday. I told my niece that my pearls would go back to my mom’s side of the family since I have young siblings and no kids right now. She ran off to her grandma in tears. How dare I disappoint her young teen hopes, evidently, of pearls from remote Pacific islands. I have a will written out that outlines where my effects...