I don't like the use of he and his wife in this instance, and I don't like ending the sentence with in. So I'd change the last part of the sentence to "so he and his wife can travel the world."
It's not as awkward.
Links: On my web site, I have links to some of my stories online.
Followers: Welcome to all the followers on this blog. May the Force be with you.
More EDITOR@WORK blog entries
Entries from The Dog Blog
Blog entries from The Auto Racing Journal
(a book of great stories about the Intimidator)
(the book of great NASCAR stories)
More blog entries by Tom Gillispie