"If you have any questions for me, please feel free to ask. My life is an open book, and I am not afraid to help you better understand who I am, which I hope in turn helps me to understand you better."

^My ISFJ mom^

As I just said, you sound a lot like my ISFJ mom, but then you say that INFJ fits you more completely.

I'm not really familiar with INFJ, having never met one before, (probably because they're so rare), but what I do know sounds amazingly like you.