Probably angry or at least disappointed. Higgins has garnered considerable empirical support for his theory. It also is an intuitively appealing and elegant integration of much of the self literature. Self-schemas do this too. Sandra Bem has shown similar findings re.
Some people are more schematic in a certain area regarding the self than are other people.
Mark Snyder's idea of self-monitoring is also getting at the idea that there are individual differences in the extent to which people look inwardly to use their values, attitudes, and beliefs as a guide to their overt behavior. With self-monitoring, he means the extent to which a person lets their behavior be changed by the demands of the situation. Characteristics of HSM vs. A person low in self-monitoring is someone who lets their behavior be guided more by their own inner values, attitudes, and beliefs. Somebody high in private self-consciousness would be very attuned to their inner beliefs, attitudes, etc.