Greta snorts inelegantly - but not unkindly - when Iman falters a little. For her own part, the closest thing to 'balance' that she can achieve is limiting her swaying to a ten-degree arc. That's probably close enough, isn't it? It's not as if this is a formal lesson. They're in an alleyway, for goodness' sake.

"Right," she says gamely. At least she has the 'active listening' part down. "What next?"