Try to make at least one person happy every day. If you cannot do a kind deed speak a kind word. If you cannot speak a kind word think a kind thought. Count up if you can the treasure of happiness that you would dispense in a week in a year in a lifetime!
I think he Oswald felt he was a failure and for the United States and for President Kennedy and all of us. He knew he was a failure at everything he tried frustrated with a very sad life but he was a Marxist.