No Reason

S2 E24: As House and his team work on the diagnosis of Vince, a man with a giant swollen tongue, disgruntled former patient Jack Moriarty (guest star Elias Koteas) walks into House’s office and shoots him. House continues to treat Vince from his hospital bed in the ICU with Moriarty, shot by hospital security and handcuffed to his bed, as his roommate. Mysteriously since the shooting, House feels decreased pain in his leg.