tmk-Think about the entire context of the song. The guy is a lonely alcoholic who senses the same thing in Hannah. He'll "lay down" the bottle of wine to be with her, because she would save him. When he falls out of the tree and into "his" arms, it's like when people enter AA and give their life to God because they can't manage it anymore. Therefore, he'd walk all over the broken glass of the empty alcohol bottles to be with his Hannah, and since his reaffirmation of God they would have faith in common to keep them together (since she's a pastor's daughter) and also to keep him sober.
tmk-Think about the entire context of the song. The guy is a lonely alcoholic who senses the same thing in Hannah. He'll "lay down" the bottle of wine to be with her, because she would save him. When he falls out of the tree and into "his" arms, it's like when people enter AA and give their life to God because they can't manage it anymore. Therefore, he'd walk all over the broken glass of the empty alcohol bottles to be with his Hannah, and since his reaffirmation of God they would have faith in common to keep them together (since she's a pastor's daughter) and also to keep him sober.