You and your expectations

I try to be what you expect me to be
Give every effort,give away every tiny piece of me
Drained my strength out on you,didn't even left any of it
Still I can't stand up to your expectations
I am always there to let you down,I am always there to disappoint you
Now that I stand back and watch it all
I find that you were the one who failed me
I stood there praying that the ground won't fall through
Aced all your tests with all my strength
Still I am just not good enough
All I want you to do is
Stand back and watch me for a while
Watch as I write this down,Watch as I hold back all those tears
Feel the pain my heart is feeling,Feel it all and then tell me
Tell me why you never understand,Tell me why I failed those tests that you put me through
Cox I tried my best to be what you expect me to be
Give every effort and give away every tiny piece of me
Still I'll never be what youv'e expected me to be