The first example would be manslaugher or self-defense. The second is first degree murder. Those are actually different crimes.
If we followed your line of reasoning, you’d be tacking on an additional sentence for the jealousy. ...
Go to school. Learn something.Wrong. Both cases are first-degree murder if the danger was not clear and present when the homicide was committed. However, one’s sincere belief in danger to one’s life (such as the “Burning Bed” scenario) will be a mitigating factor at sentencing.
In your fantasy world, all people convicted of the same crime with the same priors will receive the same sentence. We know this is not true.
So your response is to make the situation worse, and base that change on the thoughts or speach of the perp and the color of the victim? There is nothing ‘equal’ in that equal protection.

