The danger is that increasing your income often leads people to spend more on higher quality things that they might not need, thus forcing you to work longer, o

The danger is that increasing your income often leads people to spend more on higher quality things that they might not need, thus forcing you to work longer, or to make even more money. The trick is to be happy living well within your means, even if that means a lower quality of life than you could afford (but not a low quality of life)