Well, people want karma because it makes their e-penis longer, and if you have a John Holmes e-penis your pretty awesome.
are you by any chance large, green, carry a club, and live under a bridge?
hire ninjas to kill him
pros:you won't feel as guilty
you don't actually have to kill him
he won't talk shit about your girl
you get to meet ninjas
your "boy" will be dead
you might feel slightly guilty
the ninjas might turn on you
You know what to do.- no_steeze