Retirement didn't slow me down. At 75, I'm living out of a backpack and traveling the world.

Christine Casady has been traveling the world in retirement with her husband, Rick. Provided by Christine Casady. After retiring at 70, Christine Casady has spent the last five years traveling the world with her husband. They no longer have a mortgage or a car, and she now lives out of a 27-pound backpack. She says full-time travel has kept her mentally sharp and physically active in retirement. This as-told-to essay is based on a conversation with Christine Casady, a 75-year-old retiree from the US. It has been edited for length and clarity. My husband is an avid traveler , and thanks to that, we've been traveling extensively for almost three decades. Ten years before I retired, we started taking longer trips, spending a couple of months at a time in a new place. I worked in leadership development, teaching workshops on business writing and presentation skills.