Who is Loretta Bell from No Country for Old Men and what is their importance?

Loretta is Sheriff Bell's wife. He married her when she was eighteen. Much like Llewelyn and Carla Jean, Bell and Loretta were made for each other. She is the perfect Sheriff's wife. She helped him at every turn, preparing meals for the prisoners, and ensuring they were healthy, even if it meant that they go over budget every month. When Ed Tom decides to give up his seat as the Sheriff, she supports him there too.