At first the song starts off by saying, "Oh no, I'm failing again. I can't ever get anything right." (hence the lyrics, "THIS DOUBT IS SCREAMING IN MY FACE / IN THIS FAMILIAR PLACE". Then it turns into saying that the only reason they're still with the person/around the person is because they're so unpredictable. "And I am falling into grace / To the unknown / To where you are" describes the unpredictability.
At first the song starts off by saying, "Oh no, I'm failing again. I can't ever get anything right." (hence the lyrics, "THIS DOUBT IS SCREAMING IN MY FACE / IN THIS FAMILIAR PLACE". Then it turns into saying that the only reason they're still with the person/around the person is because they're so unpredictable. "And I am falling into grace / To the unknown / To where you are" describes the unpredictability.