Sentence:  You know the opinion you hold. You just will not divulge it... in cowardly fear of him turning on you. And not divulging it will not in the slightest keep him from turning on you whenever he feels like it. Please do not tell me you are <WSD>Buridan's ass</WSD>, and have no opinion about this. 
Meaning of the word marked with <WSD> tags:  Collectively, people who don't make a choice.