Answer:Suppression
Explanation:Suppression is a psychological defence mechanism in which a person consciously decide get rid of unwanted or painful thoughts or infomation. This means choosing to not be aware of certain events or situations in our lives. This means we carry on with our lives and choose not to be haunted by those thoughts.
Russel is supressing the memory of his marriage because it's too painful so he would rather not think about it or remember it.