These are all statements that accurately describe Shakespeare's sonnets. Shakespeare's sonnets were originally written in English, and followed a long tradition of previous sonnets composed by other authors. However, they have become extremely famous for several reasons. These sonnets usually present a problem and solution that keeps the reader interested. Moreover, the poems most often focus on love and romance. Finally, the poems have a rhythmic quality due to their fixed rhyme scheme and structure.
It is somehow related because Sad Perfect is a book about a girl who has an eating disorder, as you know this is not an easy thing to deal with so it would not be uncommon to hate your life. It's not a quote from the book but it can relate.