In the autumn of 1940, as German bombs fell nightly on London, the government was preparing for a different kind of catastrophe. Thousands of psychiatric hospital beds had been set aside for the wave of breakdowns officials were certain would follow. The bombs arrived. The beds stayed largely empty.

Something unexpected was happening in the shelters and the streets. Public mental health, by most measures, was improving. Alcoholism fell. Suicides dropped below peacetime levels. Strangers who would never normally have exchanged a word found themselves sharing food, jokes, and what passed for beds. The Blitz, by most accounts, was making people happier.

This wasn’t the British stiff upper lip, or not entirely. When Churchill launched retaliatory bombing raids on Germany, the same pattern emerged. Despite casualties roughly ten times those in Britain, and cities reduced to rubble, the German civilian population behaved almost identically. They helped each other. They kept going. The social fabric, which everyone predicted would shred under pressure, seemed instead to knit tighter.

Rutger Bregman, in his book Humankind, uses this episode to challenge a very old assumption – held by Hitler, and by plenty of Western governments – that civilisation is a thin veneer over a selfish, survivalist core. In fact, the opposite seems to be true. Crisis strips away the routines that keep us at a slight distance from each other, and what emerges isn’t chaos but community.

There’s a theory about why. Purpose, it turns out, is extraordinarily good for us. When people feel that what they’re doing matters, and that they’re doing it alongside others, something shifts. The helplessness that feeds anxiety retreats. The self-absorption that depression feeds on has less room. Helping others is one of the more effective things a person can do for their own wellbeing.

Charities rarely talk about this openly, which is strange, because it bears directly on how they communicate.

When a charity asks for a donation, the implied contract is fairly transactional: you give money, we do good things with it. The language is often about what the cause needs, what beneficiaries are suffering, why the gap must be filled. The donor’s job is to plug it.

But the Blitz suggests there’s another story available. Charities don’t just need money. They offer something in return: a reason to feel part of something larger, a connection to a tangible purpose, a sense that you are, in some modest but real way, useful. The research on volunteering and giving consistently bears this out. People who give report higher wellbeing, stronger social connections, a greater sense of meaning.

The trouble is that much charity communication undersells this. The ask is framed as sacrifice rather than exchange. You are being asked to help, not invited to belong. The donor is a benefactor, not a participant.

Getting this right is harder than it sounds. The contribution of any individual donor or supporter is, almost inevitably, a small cog in a large wheel. The challenge is making the cog feel real, not through false inflation but through honest, specific, vivid storytelling that closes the distance between the person giving and the change being made.

The Blitz had one advantage charities rarely enjoy: the connection between action and effect was immediate and visible. You could hand someone a cup of tea and watch it help. Closing that distance, between a small act of giving and a larger, often distant purpose, is the real challenge. Whether that’s primarily a storytelling problem, or something deeper about how people experience their own generosity, might be the most interesting question in charity communications.

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Fuzzy Logic is a series from Hope, a charity communications and fundraising agency. The series explores the imprecise and uncertain world of branding, marketing, persuasion, fundraising, and allied fields, particularly as they apply to charities, social impact businesses, causes and not-for-profits. Written by Michael Isaacs.