“100x” and “White Knuckles,” which Sara wrote about their past relationship struggles as sisters. “I didn't necessarily set out to write those songs about Tegan," Sara explains. "I wanted to write about the struggles that I had in my early 20s; my desire to be independent and have my own life and the trajectory of figuring out who I was without Tegan. I am sort of seeing that as a very different era right now in our band and also in my own life. It is just interesting to go back and think about how far we came and how bad and challenging things were, but how much better they are now.”