Many people say that others do very bad deeds and 'get away with it'. This infers that if someone does a bad deed, they escape any retribution or any bad feelings regarding what they have done.
Can someone really feel relaxed and untroubled while killing someone? We see it in the movies, but is this realistic? It seems like a mechanism to scare the audience more than a reflection of what a murderer would be like in real life.
If the murderer is naturally relaxed and calm, why would they need to murder people? - They would be too comfortable to bother, would they not? Or maybe you think they would be agitated before beginning to murder, but then feeling of murdering somehow calms them? If they can only be calm when murdering, then their life outside of that must be pretty hellish. And if they can't be calm and relaxed while murdering, then their life must be pretty hellish also.
The point is that murdering someone - blood spurting, screams, emotional trauma, death throes, etc. - isn't...