Am impressed with all the groaning. Creation groans. Those with the Spirit groan. The Spirit himself groans without words. All this expresses unfulfilled desires and hopes. . . and the Spirit takes those to God.
If there is any better verse than Romans 8:28, it would have to be Romans 8:32. God will not withhold anything from us, but will give us everything we need.
Nothing will separate us from his love. Not only does He work for our good, not only will He give us all things, nothing can undo it! Wow! Words cannot do justice to this love of God!