If you are questioning if you could be a narcissist, then by definition you already aren’t, as self reflection is something narcissists don’t have the capacity to do.
It is important, necessary and healthy thing to do to look at and question yourself in a balanced way.
It is true that each and every one of us has narcissistic traits, as it is a part of the structure of the human ego.
Narcissistic traits does not mean that we are a narcissist. It means we are human, and have the capacity to look at, learn about and grow from our limitations.
You are allowed to be learning and to be human.
If you are struggling with or recovering from a narcissistic relationship, I recommend checking out
‘How to Recover from a Narcissist’ by Lee Harris: