Groceries are 10% off and stubbornness… is OK — I love Senior’s Day at our local supermarket. As a “newish” senior, every Wednesday, I get 10% off my bill. Whoopee! It doesn’t matter if you’re under the 55-year-old starting line. There’s a universally understood “don’t ask, don’t tell” rule. Sometimes, while I’m in line for the cashier, I turn…