There is absolutely no excuse for telling a child about Santa Claus. None. Not one. Let them believe for as long as possible, I say. So what was one grandmother thinking when she decided to come clean about Saint Nick and totally ruin Christmas for her 4-year-old granddaughter? The woman's daughter-in-law (DIL) shared the whole upsetting story in a now viral post on Reddit's r/JUSTNOMIL forum. The Original Poster (OP) really believes this all stems from the fact that her mother-in-law (MIL) doesn't really like her — like at all. "She’s one of the typical moms who doesn’t want her...