A person is, by his nature, out of touch with his own subjectivity. Thus one cannot find out what it is like for a person to be just by asking. Even if he is sincere, he won’t know the answer.
Jonathan Lear, Love and Its Place in Nature: A Philosophical Interpretation of Freudian Psychoanalysis, in Katherine Angel, Unmastered: A Book on Desire, Most Difficult to Tell