YAAAAAAAYYYY!
She's one of my faves too. It's hard for me to pick only one most favorite, most of the major characters are just so awesome in their own way.
I think I relate the most to Sansa, because she starts out as very wide-eyed and full of dreams and then her entire world crumbles and she has to adjust to living in a harsh world. It always bothers me how much hate she gets by the fandom because I think she behaves just like any other girl her age would, especially in that time period. Though I hope she'll become a badass Machiavellian chessmaster with Littlefinger as her teacher. Then she can betray him and win Winterfell back. >83
I relate to Brienne alot aswell, in that she too his highly idealistic and is still trying to cope with the fact that there are very few truly noble knights and lords in the world. I love her relationship with Jaime and I think she inspires him to be a better person and I'd hope my idealism will make the world brighter for someone someday too.