  Desire-based theories of well-being have been challenged both by those who find them insufficiently attentive to the individual's state of mind, especially to the pleasure enjoyed by the individual (e.g., Feldman 2004), and by those who find them excessively attentive to the individual's state of mind, to the exclusion of what is essential to human flourishing (e.g., Nussbaum 2000, chapter 1).