“Every cloud has a silver lining,” “when life gives you lemons, make lemonade” or “count your blessings” are all familiar sayings that reflect the common sense understanding that being optimistic works in our favor; it helps protect us against the challenges of stressful and demanding life situations. Society has an innate grasp of the value of optimism knowing that “a glass half full” approach to life will bolster us and take us much further than a pessimistic or ”glass half empty” perspective. In a previous article of mine, I introduced the concept of optimism and explored how it can be used as an effective tool for managing stress. This article offers some insights into the links between stress and optimism in terms of what the research has to say. How does an optimistic demeanor actually influence our capacity to manage stress? What are the mechanisms through which the impact is felt?