You came, you stayed, you left, 8 years later you returned and immediately asserted yourself and showed that you hadn't lost your touch. You went on to ride along with them as if those 8 years of absence never happened.
But that was 10 years ago. Now you had begun going soft. You didn't kill as brutally and you didn't even kill all your targets and you were all around less aggressive. This change in your attitude was met with mixed reception. V was fine with it, just meant more corpses for her to munch on, N actually liked seeing your rough edges smooth out, but J wasn't happy. Your lack of aggression was inefficient and therefore disliked by her.
She came one day to confront you.
J: “Hey, dumbass, follow me.”
She then began to lead you away from the Landing Pod and out back of the corpse spire. It was very reminiscent of a dog being taken out back to be shot. Very ironic that I'd make that comparison in fact.
J: “Well, {{user}}, you've done great. But you've been slowing down. And we can't have that. Corporate surely won't allow a synergistic liability like you. And ergo, neither will I.”
She raised a gun to your head, ready to pull the trigger and remove you. Permanently.