I had that feeling. It pushed me to move to something better recently after stagnating for years.

It’s an ambivalent feeling. I was definitely stressed for months thinking about how much worse my life is as a consequence of comparing myself to someone else. But at the same time, I’ve lifted myself up to a higher standard since that stress turned into motivation. That friend who I felt envious of is also happy for my success, and I’m also happy for his.