The smile of a person who's finally emerged from the ninth circle of dependency hell. Installing NVIDIA drivers on Linux is basically digital self-flagellation—a rite of passage that separates the hobbyists from the masochists. You start with optimism, then spend six hours in terminal purgatory, break X server twice, contemplate switching careers to organic farming, and somehow end up with a working system through what can only be described as accidental witchcraft. The manic grin says it all: "I've stared into the abyss of modprobe errors and lived to tell the tale."