To really hone your skills and become an expert at appreciation, prioritize your list. Comparing each pleasure forces you to qualify the various subtle aspects of each pleasure. And to quantify how much each respective pleasure gives you. Follow this course and work at it daily. Your gratitude will continue to grow, building a solid foundation for a lifetime of happiness.
Happiness is energy and power for living.
Happy people are healthy, optimistic, and have more driving force to achieve. That's mere survival. Happiness is in your control. By not controlling it, you are slave to your emotions. Happiness requires discipline, determination and hard work.