Mr. Jimmy. He forced a smile, even though that the motion was a great feat considering his current situation. "I-I'm a little tired." Some truth to that lie, but alas, it was still a lie.
Seeing that Wilson was worried, he turned his gaze away to something else, perhaps an insect scurrying away or getting slightly closer. The feeling of someone getting so close, without regards to their own safety was a tad unsettling to the killer, even if Walter was secretely grateful about this.