Nobody knows me

How could this happen to me?
What is it that I can not see?
Over and over again I'm falling down,
crying so much that I could drown.
How should I know what life is>
All the important things in life I miss,
'cause I'm just to fragile, just to shy.
I feel like everything I'm doing is a lie.
It's so hard to never feel the joy of life,
not the joy of happijness.
It's all such a mess.
I'm not who I am on the outside.
Isn't that exactly what I try to hide?
And they can act like they know me,
but they don't: I am who I want to be.
Even if it is not who they see,
Because nobody knows me.