Actually all of the above answers are correct except the strange one about Halloween. She discusses that its about herself in England and her friends family and ex left behind. Click the link above to read the interview as she explains about it herself. Here's a quote "It’s about friends, ex-boyfriends, it’s about myself, it’s about my family. It’s also about my fans as well. I feel like everyone thinks I’m so far away and I’m not. Everyone thinks I live in f**king America, I don’t."