Mom always said that standing up straight was good posture, but the closer I am to God the more I have learned about bad posture. The difference between entitlement and blessing is in how one stands.
Genesis 27:36 And Esau said, “Is he not rightly named Jacob? For he has supplanted me these two times. He took away my birthright, and now look, he has taken away my blessing!” And he said, “Have you not reserved a blessing for me?”