I'm like this. Even my husband of 20yrs doesn't know me! To be honest, he doesn't even know some facts about me :)!! though he knows a few!
My siblings know most facts about me. But they don't know me either!
I don't think anyone can ever know you.
I quite like that I am my best friend! I don't judge me, I know me inside and out, and I like me! Therefore, I spend a lot of time by myself! I love my own company!! Not in a narcissistic way - I mean I'm very flawed etc... it's just that I really enjoy being with myself because I know how I tick and get me!!
I know some people who can't stand to be alone and I wonder if it's because they are somehow scared of their inner voice or being alone with themself, and maybe they don't know themself that well, or like what they see? I don't know!
But what I do know is that for me, I'm fine with knowing me! And I love being alone :)
I have a wonderful husband and 2 wonderful children and I enjoy company, but my favourite thing in the world is to be with the person who knows me best, and that's me! A long walk or drive in the car on my own is lovely :)