All the Pretty Horses
What importance does the passage stated below have? Please answer!
The passage is on 79 when they were talking about ditching Blevins:
Meanin this is it. This is our last chance. Right now. This is the time and there
wont be another time and I guarantee it.
Meanin just leave him?
Yessir.
What if it was you?
It aint me.
What if it was?
Rawlins twisted the cigarette into the corner of his mouth and plucked a match
from his pocket and popped it alight with his thumbnail. He looked at John Grady.
I wouldnt leave you and you wouldnt leave me. That aint no argument.
You realize the fix he's in?
Yeah. I realize it. It's the one he's put hisself in.
They sat. Rawlins smoked. John Grady crossed his hands on the pommel of his
saddle and sat looking at them. After a while he raised his head.
I cant do it, he said. ------ What can't Grady do?
This passage, as well was known to have a deeper meaning. What is it? What truths does it reaveal and what significance does it have?