House and his team treat an Alzheimer's patient who vomits blood and flies into violent rages. Meanwhile, when Wilson tells House about a patient who has never had sex with her husband of 10 years, claiming A-sexuality, House makes a wager with him that there has to be an underlying cause.
Quest roles:
Tracy Vilar(Nurse Regina), Brian Skala(Randy), Ivo Nandi(Andres Tavares), Melanie Lynskey(Natalie Tavares), Corri English(Kayla), Roma Chugani(Dr. Banerjee), Ryan Alosio(Joseph), Ian Gregory(Mr. Laffont), Mario Cortez(Uniformed Man), Angel Oquendo(EMT Coumont)