"You make me wanna be your boyfriend."
That is still one of my favorite lines in the show for how it turns around the usual dynamic; Rachel doesn’t want to turn Kurt straight but instead wants to be a gay boy to date him. It’s such a casual thing that means so very much.
I really love their friendship. They’re imperfect mirrors of each other, but on this show in many ways - for all of the people that they both have who love them - nobody understands them better than these two understand each other.