For those who hate harems I ask you...why?? for Naruto and Sasuke it must be done in order to establish their clans... Naruto clearly has done a lot fof the ladies of Konoha , Sand and the rest of world... so why shouldn't Naruto go for more than one girl. Clearly Naruto and Hinata aren't going to be together due to the fact that she's too easy to have. Naruto has been bored with the mentallity of earning your accomplishments. Sakura for example, something that he knows can't have , strives to win her heart or to gain respect of the village by becoming Hokage. In short harems could save a lot of heartbreak and make things interesting for the protagonist. So there..