Who am I? Find yourself inside.

I'm not trying to make me feel better. I'm good with myself, but I know that everything will change, even me...
In reality,I am a stranger , someone different in everyone eyes,someone different in every situation, I am so many versions of myself,I speak in my mind a lot, but a lot of my actions didn't have a reason or a purpose, I guess, the biggest change that I can do..is to ...