How Much Is Enough? Spencer Sherman explains how mindfulness can help us retrain our brains from always wanting more, regardless of circumstances, to feeling deeply contented with what we have. By Spencer Sherman November 25, 2020 Well-Being Marina Zlochin/Adobe Stock John D. Rockefeller, the world’s first billionaire, answered the question, “How much is enough?�Unlock this article for FREE. Keep Reading Log in to your Mindful account for uninterrupted access.