“Guys like us, that work on ranches, are the loneliest guys in the world…But not us.”
When George says this to Lennie he is explaining why their relationship is so special: other men are lonely but they have each other.
“…if I was alone I could live so easy.“
George says this to Lennie because he is so frustrated by the burden of having to look after him.
“A guy goes nuts if he ain’t got nobody.”
Crooks explains to Lennie in the barn how the loneliness he feels makes him crazy sometimes.
“Everybody wants a little piece of lan’. [But]…nobody gets no land.”
Here Crooks explains to Candy that he doesn’t believe that they will ever achieve their dream of owning a piece of land because he has heard so many other men say the same thing in the past.