You missed a change in the lyrics following the second "back and forth" part.
The second time he sings it he ends it with "whats it for, i don't know, i forget, try to let desire be, desire go" in contrast to the first time where he sings "I'll get out, won't have to..."
You missed a change in the lyrics following the second "back and forth" part.
The second time he sings it he ends it with "whats it for, i don't know, i forget, try to let desire be, desire go" in contrast to the first time where he sings "I'll get out, won't have to..."