Teach me to do your will, for you are my God!
Doing the will of someone is allowing them to have control over either your whole life or at the very least portions of your life. In day to day reality, for many of us, that poses a tremendous struggle. There's a certain amount of security when we "control" the sequence of our lives, keeping the will of others on the other side of the fence.
Allowing God to teach us his will won't and isn't any less of an inward struggle. Relinquishing ourselves wholly and completely to the unknown seems, well, out of control! And yet, that is exactly what God wants--for us to be out of control in order for him to be in control.