 He tries this again, then confirms that the patient has nephroptosis, also known as 'Floating Kidney', which caused all her symptoms.The secondary plot revolves around House's attempt to convince Wilson to call off his relationship with Amber Volakis, even recruiting Cuddy to help him.It is also suggested that Thirteen is bisexual by both Foreman and House himself, at different points in the episode, which Thirteen neither confirms nor denies.