Studies of intensive mothering suggest that fulfilling societal expectations of the "good mother" diminishes maternal psychological well-being; however, studies tend to focus on young mothers. We examine the association between intensive mothering and psychological well-being using a sample of mothers in midlife (n = 1,388) drawn from the 2004-2006 National Survey of Midlife Development in the United States. Intensive mothering is measured as provision of high levels of emotional support to children, high degree of thought and effort put into these relationships, and reduction of paid work to provide more care. Psychological well-being is measured as depressive symptoms, self-rated mental health, and positive and negative affect. Ordinary least squares regression results are mixed: While providing high levels of emotional support predicts more depressive symptoms, worse self-rated mental health, and higher negative affect, higher investments of thought and effort predict better mental health.