If you search the question on safari I am sure you'll find it.
I believe he is Judys boyfreind.
Answer:
Once he realizes that Lennie is more like a child than an adult, he starts to enjoy the company and having someone listen to him for a change. He tells Lennie about his childhood and tries to make Lennie see how lonely he is, but Lennie fails to understand the hypothetical situation that Crooks proposes.
