Architecture in Helsinki - Fumble lyrics

Found a flaw in the ending of a book that I've read twice, I set her straight, it's not based on your life. There's tension in this room, We'll have bu*terflies soon, Fumbling 'round in the dark with a flashlight. No need to be uncalm, We'll leave it by the phone, A message you can swallow, A letter to sign, No need to be alarmed, We'll leave this all alone, And all the guilt will follow you in a line. There's tension in this room, We'll have bu*terflies soon, Fumbling 'round in the dark with a flashlight