How Much I Don't Know Testo

Too late, yes I guess that it's so
Guess I just wanted to know
But I can't shirk responsibility considering it's all there is to being me
And I just though you should know
If you just keep opening doors
I promise that I'll keep testing the locks
Hello, this is the end of the line
Oh yeah, I doing just fine
No I won't pretend that I am open-eyed, unsurprised or anything but
mystified
True and tried, I guess it takes this long to realize
Just how much I don't know