I’ve always believed age is much more about outlook than the number on your birthday cake—but this weekend gave me the perfect reminder. On Saturday, my husband and I were supposed to go to an alt-rock concert together in Edmonton. Think loud, sweaty, political, and full of energy. The kind of show that makes your ears ring for two days. The crowd? Mainly 18–30-year-olds, a few dozen Millennials and a handful of Gen X'ers like me —a 58-year-old woman who still loves a good wa