He's constitutionally unable to distinguish between true friends and favor-seekers who just flatter him.
Maybe there isn't a word of truth in it and you are constitutionally unable to see what's fair when you yourself are involved.
"Well, that's because you mortal men are constitutionally unable to look and reason simultaneously."
Bolan was constitutionally unable to walk away and wash his hands once he had made a decision to get involved.
Wall Street analysts appear to be constitutionally unable to help investors face anything but the cheeriest music.
Some people are constitutionally unable to be happy.
Also it is a fact that Thorn was constitutionally unable to ignore either of the two women in the room he found genuinely attractive.
Magnulf, like any sergeant worth his pay, was constitutionally unable to recognize a figure of speech.
I seem constitutionally unable to keep a secret.
I am constitutionally unable to lie, or speak nonsense.