Look at both dolphins jumping out of the water. The dolphins areidentical. A closely monitored, scientific study 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 the dolphins, it means that the person is experiencing
significant amount of stress.
Look at the photograph. If you find more than one or two differencesyou may want to take a vacation.