More happiness may come with age

Richard Rose used to challenge his wife, Joyce, if he thought she was misstating something, but these days he lets it go.

At age 87, he's found that as people get older, they tend to "mellow out" when it comes to arguments. Nowadays, devoting time each day to swimming and reading, Rose feels happier than he did in his 40s.

"As you get older, if you're wise, you avoid all stress," said Rose, who is retired and lives with his wife in Palm Beach, Florida.

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