Mistake has one of the deepest lyrics I have ever come across. It is very creative, as most songs that have something to do with a mistake are usually break up songs, but this song is different. It talks about how it is the speaker's mistake for not showing more love to one the speaker loves. It also shows that Yuri has compositional talent rather than just singing and dancing. Yuri definitely has some lyrical talent and I hope she writes more songs in the future!