Stubborness

I was talking about my stubborness and I came upon a book last night and this is what I read:

"We do this with our love, with our sense of truth, even with our pain.  It's such a simple thing, but in a moment of ego we refuse to put down what we carry in order to open the door.  Time and time again, we are offered the chance to truly learn this:  We cannot hold on to things and enter.  We must put down what we carrry, open the door, and then take up only what we need to bring inside."

"The Book of Awakening:  Having the Life You Want by Being Present to the Life You Have"  by Mark Nepo

What are U holding on to that does now allow U to open the door?