To me, Eleanor is emotionally sick - like she has depression or some kind of disorder and the guy's asking her to stay with him, for her to believe he loves her.
'When that train rolls by
I will save your life' - again, with the depression, this could be referring to suicide or even just something overwhelming, and he'll save her from it.
'There's no reason to feel a love misgiven' - saying that she shouldn't doubt his love.
To me, Eleanor is emotionally sick - like she has depression or some kind of disorder and the guy's asking her to stay with him, for her to believe he loves her.
'When that train rolls by I will save your life' - again, with the depression, this could be referring to suicide or even just something overwhelming, and he'll save her from it.
'There's no reason to feel a love misgiven' - saying that she shouldn't doubt his love.