Uncertainty is one of the defining issues of our time. Vast changes in society are shifting our realities: extraordinary numbers of immigrants and refugees are upsetting the demographic, and the cultural and religious foundations of nations. Changing attitudes and approaches to employment undermines people's ability to plan for the future. And, there is an ever decreasing sense of trust in the government, the media, in education, religion, in medicine. Instead, the internet provides us with a wave of conflicting advice. When we can no longer make sense of the world together, insecurity takes over. If we are aware of our need for certainty, and understand why we behave instinctively in the way that we do, we can better understand how stress and pressure affects our decisions. We can shed light not only on historical trends but understand how we change those trends for the future.