Then the control stimulants kicked in and in seconds my head cleared from foggy to the unbearable brightness of sunlight on a knife. The soupy warmth of the air receded as neural governors retuned my system to cope with the body temperature shift. Inhaling became a languid pleasure, like drinking hot rum on a cold night. The cabin of the transport and the people in it were suddenly like a coded puzzle that I had the solution for if I could just . . .