In order to have a responsible financial life it is important to be in balance with your consumer state and your thrifty status; this is what will lead him to be an investor or know how to manage money better.
It is important to take into account the economic conditions in which you find yourself since the expenses must be regulated according to the amount of income you have. You should always keep in mind what is the amount of income you generate and the amount of expenses you spend, for a certain time.
Ideally, the rate of expenditure is less than the income rate, that is achieved by being a thrifty person or knowing where to invest.
The best expenses are those in which you consider that you are earning more in some way. Money is not given, it is only an exchange; therefore, it is always to evaluate that in the exchange you look the same or more benefited, this is what is known as knowing how to evaluate the prices and compare them with the purpose of the expense.
Example buy a bread: if I buy this to satisfy the hunger and this satisfies me for 4 hours, but the cost is equivalent to 8 hours of work, I am losing.
Do not make unnecessary expenses, if you think you have a lot of money do not waste it, invest! But without neglecting yourself, make sure you feel as comfortable as possible, that will be your biggest investment.