Hope is a fragile thing. You can only hold on to it as long as you find reasons to believe tomorrow can be better. A woman, for instance, who has the resources and opportunity to rent her own flat will be more likely to leave her abusive husband and recover. A pupil who has their own room and desk to do their homework might find more meaning in thriving at school. And an elderly person who can afford to live in a neighbourhood where they feel safe and connected is less likely to become isolated and depressed.It’s not by chance...