I'm obviously an American citizen. My parents are American citizens. But I'm not looked at as an American.
As a European I had fit in almost seamlessly in New York for the last 25 years, but in Oklahoma I stood out like a sore thumb.
Mistakes are almost always of a sacred nature. Never try to correct them. On the contrary: rationalize them, understand them thoroughly. After that, it will be possible for you to sublimate them.