Cristina Fernández de Kirchner student Néstor Kirchner in 1973. He introduced her to political debates. There were heated political controversies at the time caused by the decline of the Argentine Revolution military government, the return of the former president Juan Perón from exile, the election of Héctor Cámpora as president of Argentina, and the early stages of the Dirty War. She became influenced by Peronism, left-wing politics, and anti-imperialism. Despite the presence of sympathizers of the "Montoneros" guerrillas in La Plata, the Kirchners had never been involved themselves. Cristina and Néstor married in a civil ceremony on 9 May 1975. Her mother got them
Cristina Fernández de Kirchner confided in him that she had a bipolar disorder, while she was having a violent outburst. During the United States diplomatic cables leak it was revealed that Hillary Clinton questioned Kirchner's mental health and asked the US embassy whether she was receiving treatment or not; she later apologized to Kirchner for those leaks. Kirchner said in her book "La Presidenta" that it was all a misunderstanding; it is her sister who suffers from bipolar disorder. On 27 December 2011, presidential spokesman Alfredo Scoccimaro announced that Kirchner had been diagnosed with thyroid cancer on 22 December and that she would undergo