"
I know this aint the song
That you been hoping for
This road is hard and wild
But it brought me to your door
The singer says that he realizes that these words are not what she wants to hear. This foretells, in the very beginning, that their's would be a losing battle. That though he wants to be with her, he would not be able to give her what she wants the most.
His life has been hard but he doesn't seem bitter about it because it has brought him her and he is thankful.