Madness is never that far away. It's as close as saying yes to the wrong impulse. The people who stay sane are the people who can make those quick decisions: "Should I stick my fingers into the fan, or leave the room right now?
"Should I run the blade of this razor across my tongue, or just finish shaving and move away from the sink?"
But you don't because luckily most of us have that little voice inside our head that says, "Uh uh uh, turning the car into oncoming traffic... is counterproductive!"

Jim Carrey's Unnatural Act (1991)