Karen Bridges had a moment of clarity that a lot of people over 50 will recognize. She was having trouble doing ordinary daily things, like working in the garden. Her balance was faltering. Her desk job kept her sedentary all day, and earlier years of being active "off and on" ended with the pandemic. "I hit a wall of reality," the 65-year-old says. "I realized that if I didn't change anything in my life, then nothing would change." That mindset shift made all the difference.