If you’re retired or looking forward to the time when you will be, you’ve probably said there are things you want to do “while I still have my health.” I’ve been retired for almost 12 years, and I’m still saying it. However, I recently learned that “We don’t know what we don’t know” can apply to the degree of physical health and stamina we still have, as well as to our mental abilities, especially when it comes to international travel.
