I think you are correct that it's a response to the social situation. You put on a different set of behaviors for a different environment. And I think that yo

I think you are correct that it's a response to the social situation. You put on a different set of behaviors for a different environment. And I think that you feel that the "introvert" set of behaviors doesn't fit you as well as the "extrovert" set of behaviors. It sounds like you - the person you are inside, separate from the social pressure - aren't happy with as introverted as you think you have to make yourself to fit into that social situation. Is it possible for you to respond in a more extroverted way to that social environment? If not, then your only option is to leave that environment.