As long as I think I 'should' do it, I'll resist it, even if I want very much to do it.
At the core of all anger is a need that is not being fulfilled.
When we are angry, killing people is too superficial.
They have most likely said it because they have an unmet need.
Upset? Ask yourself what this person does that is a trigger for judging them?
Punishment also includes judgmental labeling and the withholding of privileges.