The process of setting a goal, learning the necessary steps to achieve it, and giving it your best until you've mastered it will generate high self-esteem and pride. Those are feelings associated with joy.
Jude BijouMaking sweeping statements such as 'no sweets ever again' has never worked before, and it's not going to work now. You'll get quickly overwhelmed and punt on any positive momentum you created.
Jude Bijou