Human life is no different to how we treat anything else but to have respect in life is an absolute. Doesn't matter if its a gun, knife, fist etc, point is the one who is still standing is the one still able to go home and eat while the other returns to the dust. Kid came from a timeperiod that death is not a common place idea so yeah he is going to get un-nerved, but he has some one to help him out his wife.
TLDR its just a story lets not make a big deal over semantics.
thanks for the translation