Loneliness In John Steinbeck's Of Mice And Men

Of Mice and Men tells the story of two American workers, George and Lennie. The friendship between them is implausible because of the many differences they have between them. George is a small, intelligent, and a clever man who is always looking for a improved life, while Lennie is the opposite; he is a large man with a “bear like physique” but he has the mind of a child, always forgetting and never being able to cope with George at a psychological level. However this friendship seems to be the only in the novella as one of the main themes is loneliness.
One of the characters in which loneliness features heavily is Crooks. Crooks is “physically lonely”, because he is “exiled” from the others because he is black and is not allowed in the same