You might have already tried to soothe your friends and family back home, panic-stricken by news reports of lawlessness in Belgium. “It’s all right, Mum, this is no Ivory Coast. It’s a language thing.” And then you’re trapped. “Well, you know, they speak Dutch in Flanders, French in Wallonia, and they speak both in Brussels, which is kind of part of both, but not really, and...”