What is the psychology of mirrors? According to this science report from the New York Times, mirrors might fool us into acting a little better.
Other researchers have determined that mirrors can subtly affect humanbehavior, often in surprisingly positive ways. Subjects tested in a room with a mirror have been found to work harder, to be more helpful and to be less inclined to cheat, compared with control groups performing the same exercises in nonmirrored settings. Reporting in the Journal of Personality and Social Psychology, C. Neil Macrae, Galen V. Bodenhausen and Alan B. Milne found that people in a room with a mirror were comparatively less likely to judge others based on social stereotypes about, for example, sex, race or religion.
Read the story if you get the chance. As it turns out, there's a lot of "internal photoshoppery" going on.