Not only have you refused to kill the boy, you even stopped the...
Harry: Not only have you refused to kill the boy, you even stopped the boy from killing himself, which would've solved my problem, which would've solved your problem, which sounds like it would've solved the boy's problem.
Ken: It wouldn't have solved his problem.
Harry: Ken, if I had killed a little kid, accidentally or otherwise, I wouldn't have thought twice. I'd killed myself on the fucking spot. On the fucking spot. I would've stuck the gun in me mouth. On the fucking spot!