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Excerpted with permission of the publisher John Wiley & Sons, Inc., from Annoying: The Science of What Bugs Us , by Joe Palca and Flora Lichtman. Copyright

TODAY wants to know all about your marriage — the good, the bad and the annoying.

So you run the business. Well, you might want to dress like it, even if it's hot out. About three-quarters (74 percent) of employees think it's acceptable for both men and women to dress "more casually" during the summer, according to a recent report.