It is different when they do it.When he “put your lights out” , it will be in love.
When they do it, it is ok. It is wrong only when the other guy does it.
Example: When I do it, it is a prementive strike. When it is done to me, it is a sneak attack or stab in the back.
Or as the French say, “That is a very vicious animal, when it is attacked, it defends itself.”
When they do it, it is ok. It is wrong only when the other guy does it.
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So it appears.