But the Lord said to Samuel, “Do not look at his appearance or at the height of his stature, because I have rejected him. For the Lord sees not as man sees; for man looks at the outward appearance, but the Lord looks at the heart.”
- 1 Samuel 16:7
God looks on the thoughts and intents of the heart, not the holy way you present yourself to others. When your life is over and you stand before God, it will not matter how well you pretended to be a Christian. Live for God not for
It's easy to get angry and blow up when something doesn't go our way. If it's one step at a time start giving the issue to God. Stop and say "God help me and I give you my anger problem because it doesn't lead to right standing with you." This personally helps me in my shortcomings.