The other person is just a vehicle for existing shame/self loathing. If you want to stop feeling this way I suggest trying therapy and confronting the deeper so

The other person is just a vehicle for existing shame/self loathing. If you want to stop feeling this way I suggest trying therapy and confronting the deeper sources of these feelings. I and many other people do not ever seethe about the successes of others. I don’t say that to self-aggrandize, but rather to counter some of the other people here saying it’s normal or universal. It’s not.