We are people who fear making commitments to ourselves. We have been disappointed so often that we came to see it as acceptable to let ourselves down.
I know that when I say things out loud; it makes them more real, which makes it harder for me to ignore them or stuff them away. Maybe it seems strange that I talk to myself, but when I do it only in my head, I risk being less than honest. When I say it out loud, I notice the ways in which I might be justifying, rationalizing, or minimizing.