This is very long but fascinating. Excerpt below link. If you read it, note that they were not totally starved. They ate something. http://jn.nutrition.org/content/135/6/1347.full Several of the men, like Max Kampelman, agreed that nearly immediately after semistarvation began, all interest in women and dating was lost: "I can tell you, the sex drive disappeared. There was none." Samuel Legg recalled that the most poignant moment in the experiment for him was related to an emotional reaction caused by his increasing physical weakness and exhaustion: Veronica Caley Milford, MI