The solution based from sufficient economy with 3 points and 2 conditions.
Modesty : The main cause that leads to flaunt one's riches is from the people in media are not appreciate with the value of money, lack of adequacy. They always think that they have the stability in their life without thinking about future. This behavior is thoughtless thinking.
Rationality : Spending like a lavishness without planning or spending with unnecessary things will be affected directly with your future both in short term period and long term period. Thus, you need saving for the future life. If you get wealth, you should save it for your future budget.
Immunity : Showing off one's riches is not only affected to the financial status but also security of ours life too. For example, selfie with a wad of money and post it on social media, it cause thieves easy to harm you.
Knowledge : Doing without planning means wasting. The result from unplanned doing cause unsuccessful life and can't reach your goal.
Moral : If you have the stability with your life, you should appreciate with the value of money. No need the superfluous spending. You should think about the homeless that don't have even food to eat. You should think about others.