I'd shoot justin beiber that way when I shoot him he screams in his loud hi-pitch voice and busts rebecca black's ear drums and makes her brain bleed, that way They'd both die.
The demon inside me exhales a breath of smoke, when i feel the beat in my chest like a stethoscope, check my pulse
Or you could just get both of them into an argument and make them slowly kill eachother with their nonsense.
Life is like Basketball. Aim, Concentrate, Balance and Following through. That's all you ever need to accomplish your goals.