Quinn was sad. Sad that she would never see Beth again. Sad that her father kicked her out. Sad about her life. So, yeah, you could say that Quinn Fabray was depressed. She had stopped eating, hoping that if she starved, her family would cave in and let her keep Beth, but she knew, deep down in her sorrowed heart, that they would never give in. She wondered how Beth was, wether she enjoyed Shelby's love, wether she cried when being taken away... Wether she knew that Shelby was not her real mum...