You need to look at what He did for you rather than someone did toward you. If you base your feelings toward God on how you feel toward others rather than what He did for you, then you're going to overlook the gift of life. Plain and simple.
John:38 For I came down from heaven, not to do mine own will, but the will of him that sent me.
Matthew 26:39 And he went a little further, and fell on his face, and prayed, saying, O my Father, if it be possible, let this cup pass from me: nevertheless not as I will, but as thou wilt.
42 He went away again the second time, and prayed, saying, O my Father, if this cup may not pass away from me, except I drink it, thy will be done.