Was this what Sendhil had gone through when he stepped through the door to the room with the TV at the hospital? The key to knowing what was happening had been hiding behind a wooden barrier - did he have any doubts, any hesitations before walking in?

No. Of course not. He was a doctor, and doctors dealt with such decisions every day. 'Not me!' shouted Colin's younger self (younger by several days, but what a difference those days had made!) 'I didn't sign up for this!'

Too late, Colin thought, and stepped through the door.