"If you have a passion for something, then it's not stupid," Jen explained. "When you're retired, you can take classes and do those things, whether you do it for money or just for fun. Whatever you do that gives you a zest for life, that's how you become fabulous over 50."

At 57, Kathy didn't want to carry a heavy pack or sleep in a tiny tent. When a chance encounter with a man from France led her to consider Europe's GR5 trail, she jumped at the opportunity.

The children of seasoned citizens wonder why mom and dad seem empty, distant, angry and aloof, despite having everything they ever wanted, more resources than they know what to do with, and more time available to do almost anything they'd like to do.

The study said walking 10,000 steps per day is a common public health goal. However, it may be unrealistic and difficult to achieve in older adults. However, the study found walking an extra 3,000 steps per day, five days per week works to reduce blood pressure in older adults.

"There’s something incredibly fulfilling about helping out and doing something tangible that people need done but can’t quite do themselves," said Brian. "Something as simple as freshly-mowed grass can have a positive impact on everyone’s well-being.

"I never said ‘no’ to anything. If I couldn't do it, I tried it. I didn't ever say, ‘I can't do it.’ When it happened, I tried it," Susie told Fox News.

Before jumping into their new community, Kathy and her husband wanted to take a year off to tackle an item from their bucket list. As outdoor people who enjoy traveling, the couple opted to go hiking from the cold Baltic Sea to the warm Mediterranean Sea.