Sometimes, it seems easiest to say what you're thinking and feeling instead of filtering your thoughts and comments. But, as honest as you think you are, I'm guessing your current delivery isn't actually as honest as it could be. I believe you're holding back some honesty in an effort to be a little "brutal," as you stated. I'll give a little advice here to help you be even more honest—incredibly honest. But not in the way you might think.