Give all options to the opponent, if you win its historical, if you fight and loose- he is definite to loose next time, if you loose-you can enjoy his happiness even.
A diamond is merely a lump of coal that did well under pressure. So imagine how brilliant a human being can be by sustaining pressures of life. Be hopeful..
If you realized how powerful your thoughts are, you would never think a negative thought. Learn to get in touch with the silence within yourself and know that everything in life has a purpose.