"It can be difficult going through a period of time where you feel depressed because it can become your identifier. In the sense that you wake up, you're depressed; you talk to your friends, you're complaining that you're depressed; you talk to your parents, you're unmotivated. You know what you could do to try to overcome it - although obviously there's no cure - but you start to feel like, 'what will happen to me if I feel better? Who am I when I'm happy. I'm so used to feeling like this.'"