However, prosperous and satisfaction are so relative for each people. Other definition of desire and necessary are based on function. All of then determine as desire if it includes into additional above main function.

For example, food is human basic necessary, not only human, but also for other organism need it. Food gives energy and healthy for human, especially the nutritious food.

Food has main function as an energy resource for our body. Meanwhile, gives delicious taste is additional function from food. So, delicious food is a desire, not as necessary.

However, it is not meaning you are not allowed to eat delicious food. In addition, you should consider whether your consumption for delicious food will sacrifice other necessary or not.