It is implied (but never explicitly told) in the Iliad, that Achilles' and Patroklos' relationship was more than just friendly. This is strengthened by the name of a lost play by Aeschylus "Achilles' Lovers" with the word 'lovers' in the masculine, which of course might lead you to the question why loverS in the plural? (Alas! why is it that the really good stuff always gets lost?). In later eras he is almost always depicted as homosexual.