He might know the wig secret. He might know of past and present ladies. He might know of trips to plastic surgeons, dentists, Planned Parenthood, etc. He might know the secrets of the Hamptons castle. Seems that Ronnie, as stupid and unreliable as he is, puts himself in situations where Howard can't really bust on him for fear of what Ronnie might say. Ronnie gets away with mouthing off where others don't (or won't). I smell a rat and I've always had the same feeling about Ralph.