The main reason for people's lack of success is their willingness to give up what they want most of all, for what they want right now!
Zig ZiglarYou'll never meet a happy ungrateful person, or an unhappy grateful person because gratitude and happiness go together. Sometimes happiness precedes gratitude but often gratitude precedes happiness. The latter is achieved by realising things could be worse but aren't and so feeling relieved, grateful and happy.
Zig Ziglar