Is this normal?

I know it might be normal but i never heard of it. when i look in the mirror it doesnt always feel like me sometimes so much i cant look in the mirror but only sometimes even if my look doesnt change at all even if its a few minutes in between and my mood doesnt change i can go from not being able to look in the mirror to save my life to meh kinda me to yes this is me.

is this normal and what the h#ll is going on?