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…