When a friend quits to start their own thing or switches careers entirely, I feel this sour little pull instead of being happy for them. They did the thing I was too afraid to do. Deep down I know the resentment is about my own fear, not their choice.
More people experience this than they realize.
You resent people who took the risk you were too afraid to take.
If this sounds familiar, the Library can help you find the bigger picture.