Rachel: Why the sudden thawing of your icy heart?
Santana: Well, because I realized that the world is even colder than I am. You know, and the only thing that you can do to keep from freezing to death is have good friends around you to keep you warm. So, I decided that I want to use my bitch powers to protect the people that I care about. And I guess that means that I care about you.
Glee, Season 5, Episode 18 – Back-Up Plan