Evil.

Some people exude evilness.

They want to see you down and out.
So, they deliberately try and cause you pain.
Those are most likely the ones that talk behind your back.
I never understood why people would do such a thing.
If you don't like someone, don't talk about them or associate with them.
Why bad mouth them? It only reflects the insecurities that you harp on inside.
So, just leave it be and move forward, find something
that is worth your time and energy.