My g look..you  can't  just  shuv their  character moments and development together under the rug just  coz you wanted  Itach x his poor half blood Uchiha gf LOL
and even if it was 6 months  I'm  pretty sure many  would agree they  had a sweet  rivalry and growth  together  as rivals
there is so much that  went into the whole  concept  of "solitude"  between  Naruto and Sasuke  throughout  the story as friends  or what  you'd generally deem as brothers