The miserable note of "What can I do if I am not happy?" is not acceptable at all. Whatever is essential must be done. There must be willingness, a determined will to do. There is a parable that out of this strong will power man has acquired the six senses. "I will change thoroughly if necessary. I am dedicated and my work requires it. I can make my heart as large as the sky and I can banish all weaknesses which come in the way. Whatever makes me weak will be specifically avoided." This unconquerable will must be there.
Morning, noon and night, nay every day must be spent in the pursuit of the ideal. Fashion your life accordingly. Be conscious about waste of time and energy. Utilize every moment of life and every ounce of energy for the allotted work. No efforts are too great to meet the demands of the work.