Can help in improving/ reducing performance: working hard/leaving study at all when your girlfriend/boyfriend leaves u after her/his selection. It is proved by Yerkes Dodson Curve:
They can help us to survive, strive, or avoid danger: Ambedkar, Gandhi, Tulsi, Kabir…
They can help us in improving or worsening decision-making: Pulwama Attack, demonetization 2016…
They can help us in understanding self and others: talking while weeping,
