Your beliefs will affect your moodHow to start the search for “why”Optimism will bring hope for your futureReasoning has benefits for clear thinkingYour conclusions should rely on evidenceReasoning is also, unfortunately, prone to biasThere are a host of other biases to avoidScience uses counterfactuals to explore “why”“Should” is a word with problemsEvaluating your beliefs to help you to explore your “why” questionsImproving your reasoning