I now know why I can't smile for the camera

Earlier, I had believed that I sucks at smiling for the camera was because the camera is a thing, not a person,

I now know another reason. It seems to fake a smile is to conceal your emotions, which is same as lying. People who sucks at smiling for photos are poor liars. So that means I am a poor liar. Now I don't feel so bad when I see a horrible photo of myself trying to fake a smile.

Source: http://phlearn.com/how-to-not-suck-at-smiling