The photo shown below has two identical dolphins in it. ...........

Look at both dolphins jumping out of the water. The dolphins are identical.

A closely monitored, scientific study of a test group revealed that in spite of the fact that the dolphins are identical, a person under stress will find differences in the two dolphins.

If there are many differences found between both dolphins, it means that the person is experiencing a great amount of stress.

Look at the photograph, and if you find more than one or two differences, you may want to take a vacation.