Which is, of course, obviously untrue. If I couldn't say "no" I would be incapable of saying that I couldn't say "no." It would come out as "I'm just a girl who cain't say <mumblemumble>." But I
In other thinky thoughts, "I closed my eyes, drew back the curtain, to see for certain..." What rot! If you want to see something for certain, closing your eyes is definitely not a recommended first move.
(Maybe I shouldn't overthink song lyrics too much..?)