This chapter delves into the intricate psychological factors influencing decision-making in personal and professional realms. It explores cognitive biases, such as confirmation bias and anchoring, which skew rational judgment. Emotional influences, crucial in shaping perceptions and risk assessments, underscore the importance of emotional intelligence. The misperception of feedback hypothesis reveals how delayed feedback can lead to flawed decisions. Stress and pressure exacerbate these challenges by impairing cognitive functions and promoting heuristic reliance. Effective strategies like mindfulness and resilience training mitigate these effects, enhancing decision-making prowess. Insights gleaned aid in navigating complexities, fostering informed and optimal decisions in diverse contexts.