Congratulations. Your score indicates your stakeholder thinks of you as a trusted adviser. You have built a strong, mutually respectful relationship. You are most likely a highly thoughtful communicator, articulating your message clearly and with passion when the situation calls for it. Your stakeholder has responded to this approach, and you are getting the job done.
To hone your skills in persuasion even further, you may like to read my book Winning Conversations: How to turn red tape into blue ribbon or sign up to my Persuasive Adviser Program.