The last psychiatrist has written a lot about that. He calls it modern narcissism, and uses it to explain a lot of what we call depression today. There's also the Christian notion of acedia, the ancester of sloth, that is not just laziness, but a moral failure due to selfishness and being self centered, and thus not doing things for others.
I of course won't go around accusing eveyone that's depressed of selfishness or moral failure. But reading about this helped me understand a bit better why I feel so unhappy when I'm surrounded by so many good people.
Do you have any examples from that blog? I started reading, and while it is very interesting, there are a lot of articles, and I have trouble finding the ones implied in your comment.
I started reading articles randomly, but the most efficient way I found is to take the archives of "narcissism", and start from the oldest post. Here's a list of link of the most relevant according to me:
I of course won't go around accusing eveyone that's depressed of selfishness or moral failure. But reading about this helped me understand a bit better why I feel so unhappy when I'm surrounded by so many good people.