How to use optimism?

How can one effectively harness the power of Optimism in their personal and professional life? Is it simply a matter of maintaining a positive mindset, or are there specific strategies and techniques that can be employed to truly tap into the benefits of optimism? Could you share some practical examples or exercises that individuals can undertake to cultivate a more optimistic outlook? Additionally, how does optimism intersect with financial decision-making, and can it potentially influence investment strategies or risk tolerance? Understanding the intricacies of how to use optimism could undoubtedly lead to greater success and happiness, so I'm eager to learn more.