I think he's oscillating between wanting to direct all the rage and blame on the other person, and being suicidally depressed and guilty. In the end he's just reflecting on all of that while waiting at the next juncture in his life (i.e. the train), maybe just thinking how he could do it all better the next time.
I think he's oscillating between wanting to direct all the rage and blame on the other person, and being suicidally depressed and guilty. In the end he's just reflecting on all of that while waiting at the next juncture in his life (i.e. the train), maybe just thinking how he could do it all better the next time.