Do i imagine having a problem with my face? (photos)

in videos i seem to look SO different than in selfies, and this annoys me and it gets me to wonder whats really going on, people dont mention anything wrong with me, but i seem to notice that just one part of my face moves, and when the camera video dont flip, its the me i see in the mirror. but it really terrifies me and i need help. or to advice on what to do.

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