Can you share a story where being kind and sociable ended up saving you money or giving you a big life advantage?

Will European countries cease to be ethno-states due to mass migration and low fertility rates? After all, most countries throughout history were highly multicultural and diverse.
Can we build "belonging, confidence and creativity" in young people without shaping opportunities by "cost, postcode, and access"?
Why do people hold on to beliefs that make them feel secure, and how do both theists and atheists justify their positions?