I dreamed I killed a man

So last night, I dreamed I killed a man.

I was following him up some kind of tunnel or shaft, and it led to a rocky platform. I grabbed the man, and threw him off the platwform.

And since he landed face first on something hard a long way down, I figured he was dead.

weirdest part was I didnt seem fazed by the fact I had just killed.

I dont know if I wanna know why my brain came up with that dream . . .