One of my posters, Earl, linked to a site about how many depressed people are on Facebook. Why? Because they are comparing themselves to others and think the others have it better than they do.
Incidentally, I use Facebook for entertainment and have found it goofy. People post pictures of their meals. Lots of kittens and puppies, too, some of which are excruciatingly cute.
When people compare themselves to others and feel bad, that's because of envy, which is the only one of the Seven Deadly Sins that isn't any fun at all.
Envy is invidious comparison. That's what the "evil eye" is. You compare yourself to someone, are envious, and the envious get that look on their faces.
I know two women who are quite good-looking. I've asked both if other women were envious of them. Answer; yes, some were, and they had that look on their faces. Sometimes they tried to hurt these good-looking women in some way. Oftentimes by being extremely rude to them in public.
I've always been a low-envy person and didn't even feel it until I was 27, and that was in the content of a relationship with a women. Before that I didn't have a clue, even though I had been the object of other's envy, and that was always about a woman I had and they didn't.
I was mystified about why they were talking behind my back. But then, that's what envy does. No one says "I envy you." Instead they pull a Salieri on you (Salieri in the movie Amadeus was eaten alive with his envy of Mozart and stabbed him in the back every chance he could get).
These guys were comparing themselves to me and found themselves lacking. I had what they wanted and couldn't get.
The ancient Greeks noticed that the benign form of envy is admiration. And what you admire someone you want to emulate them. with envy you just want to tear them down.
There are entire ideologies based on the abolition of envy (which ain't gonna happen). Liberalism/leftism/socialism, for example.
My experience with these people is that they aren't very good-looking, not in the slightest. The men are weak-looking and the women are fat and ugly (Stalin had a pockmarked face, fused toes on one foot, and a withered arm).
Now of course the more envious Third Worlders we let into this country the worse things are going to get. They compare themselves to us, find themselves wanting, refuse to admit their envy, and so project their problems on us. Strangely, this is never talked about. But then, that's the problem with envy: hardly anyone wants to talk about it. And the envious sure as hell will never admit it.