They're in Kiev the first time it happens – it's a complex job with a condescending extractor who has a grudge against Arthur that no one can adequately explain, and Arthur gets so wound up, and comes so close to snapping. It's disconcerting to witness him losing his ever-present cool, so Eames defies self-preservation instinct and pulls him aside with stern, bracing words, with a firm grip and a level voice, Get a hold of yourself, I fucking mean it. The fact that this actually works is categorically unexpected.