A member asked:

When in serious situations i always smile without comfort and i can't keep a straight face like its twitching. like when in a fight i do that. why?

A doctor has provided 1 answer
Dr. Donald Alves answered

Specializes in Emergency Medicine

Nervous response: You will outgrow it, or can train yourself to do something else earlier--but will take effort on your part.

Answered 1/25/2014

4.5k views

Thank

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