I know a lot of people like this. A lot! And they are not traditionally dumb either (about other things).
It's amazing; it's like they are under some kind of spell and can't see right before their eyes, just when it comes to this.
Frugality and being content with what you have goes a long way. People should stop comparing themselves to other people.
That explosive emotional combination of greed and envy is behind so many bad financial decisions.