I was a nerdy kid growing up in the 80s before geek was chic. I never really fit in and even after school never really found a place of belonging. As a result I think I've sort of learned to adapt myself to the social situation I find myself in, which in some respect is fairly normal, the idea that we all wear different masks in the different areas of our life.
I'm relating this to the idea of authenticity. How to be authentic and yet still adequately conform to differing tribes social norms. Maybe this isn't the best analogy but imagine being a native German speaker interacting with an English speaking group, would it be inauthentic to speak English, you're not truly being yourself, are you being dishonest at all? I don't think most people would think that, perhaps the German would be seen as inauthentic if they also tried to hide their accent?
Relating that to social customs, if I'm a brick layer but I'm attending some party for academics my wife was invited to, if I don't spit on the ground or swear like a sailor am I presenting a false front?
I guess for myself I have a fear of being rejected or mocked if I'm not fitting in enough. So I guess I'm asking how does one draw the line between being yourself and doing as the Romans do?