First day back in the office. Drifts of unwanted high-calorie gifts pile up in the kitchen. A thin Mexican wave of coughing sweeps across the open-plan office; when it reaches the meeting room door there is an expectant silence as people wonder if it will gain admittance. A second or two later than expected, they hear that it has. People smile quietly and drop tissues in the bin. Darren is still wearing his antlers.