"Shall we indeed accept good from God, and shall we not accept adversity?"
It is so easy to take the blessings and good that God bring, accept it, be happy about it, and move on. But when He, in His sovereign way, chooses to bring adversity I react in sorrow. Yes, it is understandable to not always be the happiest when life throws a curve ball at me, but instead of fighting against it and asking God why He allowed something in my life, it is much better to accept His all knowing way, learn from the experience, and grow more in His image.
My heart's desire is to be more like Christ, and only by obediently following Him without question and complaint can I grow in Him. It is not an easy task, and often I fail, but He is always there to forgive and encourage me. He has promised to never leave or forsake me, and that is all I need.