How does the following event create tension in the overall plot line by developing the conflict?
"'Well, we ain't got any,' George exploded. 'Whatever we ain't got, that's what you want. God a'mighty, if I was alone I could live so easy. I could go get a job an' work, an' no trouble. No mess at all....' Lennie knelt and looked over the fire at the angry George. And Lennie's face was drawn with terror.
'An' whatta I got,' George went on furiously. 'I got you! You can't keep a job and you lose me ever' job I get. Jus' keep me shovin' all over the country all the time. An' that ain't the worst. You get in trouble. You do bad things and I got to get you out.' His voice rose nearly to a shout."