Never thought of this, but it makes sense: why not ask for the grace to accept God's mercy and abundant love for us? If we can pray "Lord, I believe; help my unbelief," then we can pray for this sort of thing, too.
Faith is Having the Courage to let God have Control. My Courage is with in Gods Control. He Shall Heal Me and Make Me Walk Again this Summer, as my Recovery from my Neck and Spine Surgery is Coming along Well.