How we cite our quotes:
"All of a sudden I wasn't alone anymore. I wasn't afraid to go back out to the ruins, to look for David again." (11.57)
Being friends doesn't seem so great sometimes in this book—you've got peer pressure and fighting and betrayal. But being lonely and friendless is not great situation either. For instance, here, Shay's friendship with Tally gives her the courage to do this thing that she wants to do. What's going to work? Teamwork!
Her only way home was to betray her friend. (22.93)
Tally's central dilemma in the book is whether she values her friends more than she values being pretty. Okay, it doesn't seem too hard—but you have to cut Tally some slack, since "pretty" is basically the only value she's ever known.
Once in the Smoke, she could activate the pendant and be home within a day, maybe within hours. All the food and clothes she would ever need, hers for the asking. Her face pretty at long last, and Peris and all their old friends around her. (23.51)
Notice that friendship isn't the only thing Tally wants: she also wants clothes, food, and to be pretty. Friendship is important, but so is food. Starvation might be worse than isolation. Might.