To make someone worse off, they need to perceive it as such (not absolutely, but mostly yeah). If I helped them get ahead, they don't think I made them worse of

To make someone worse off, they need to perceive it as such (not absolutely, but mostly yeah). If I helped them get ahead, they don't think I made them worse off, it's an exchange - and I exchanged value that I created, I didn't need to make someone worse off.