The Chafetz Chaim wrote that a major reason some people live beyond their means is to gain approval. They feel the need to spend large amounts of money on things that will gain them status, even though they are unable to afford them.
This is the opposite of a Torah way of life.
-Sources: Kuntros Nefutzos Yisroel, ch.6; Rabbi Zelig Pliskin’s “Gateway to Happiness,” p.271