Coffee is a remarkable substance that lets people squat like they’re going to launch powerfully into the sky and look far more important than they really are.

But if your hands become jittery from over-consumption, fear not. Know that black clothing goes a long way to hiding any shake-induced spillages. As ever, adverse outcomes are expiated by forward planning and cunning presentation.

Especially if your cup is empty because you’re an impoverished fashion model pretending to be a doctor, so you can’t actually afford any coffee.

Chamara wears a Prada black T-shirt ($1,055), Calvin Klein jeans ($799) and a smug sense of self-satisfaction ($0).