Photos That Will Make You Incredibly Nervous

Nervousness seems like that old grumpy uncle at a wedding whose presence can be ignored, but it affects the mood nonetheless. That may be a bad analogy, but nervousness does seem to bring us down, regardless of the exterior circumstances, often making a happy event much less enjoyable, or a tense moment, such as an exam, even worse. If it’s so detrimental to us, then why have we developed this response over thousands of generations? Shouldn’t evolution be taking care of this stuff?