You know the mask. It begins to form in pre teen years. Usually it takes over, obscuring the real person, at least part of the time in social situations. Somehow the mask gains power over the real person. The real person beneath can not alter his or her behavior no matter how hard they try.
When you percieve someone trapped in their mask it is your duty to address the real person in them so that the real person may come out.
To bring out the real person behind the mask (even yourself), address them with compassion, with words that have a connection and meaning from your heart and soul.