You are always 100% in control of your emotions: the choice to be happy is up to you regardless of what you're doing or what's happening to you. Money (or value) will come from following fundamental principles of success: diligence, hard work, honesty, etc. You often find the two together, but neither is required for the other.
For more information read Dan Gilbert's "Stumbling on Happiness" and Viktor Frankl's "Man's Search for Meaning."