In two separate incidents, a patient and Dr. House electrocute themselves by sticking a folding knife into the hot terminal of an electrical receptacle. This would not do that because in neither case was the circuit completed nor were either of the men grounded. Both were wearing running shoes with rubber soles. The patient, Mark, was standing on linoleum (an insulator) and House was standing on a carpeted floor. The most either person would have felt is a mild tingle in their arm.
Foreman claims that people don't stop activities that cure boredom because they become boring. However, people stop activities that cure boredom all the time because they become boring to do something different or more challenging.