Yet, this is not the only way Theroux allows his interviewees to fill conversation. “We can all see that Theroux is often taller than his subjects, but he tends to slightly hunch a little. And he takes up very little space verbally, too – we’ve all seen his awkward silences,” explains Professor Karen Lury, head of Film & Television Studies at the University of Glasgow and an expert on screen performance. “They’re powerful social signals for the other person to compensate, verbally and otherwise. And it also makes people feel like they’re not really being observed.