In Eastern fighting disciplines, it is taught that losing ones temper during a fight can cause you to lose the fight. That is a good reason to avoid fighting when one is angry, or indeed, at all. Practitioners train to defend themselves or the helpless, not to start fights.
There are many ways to fight.
1. One is violence, obvious.
2. One is collective resistance, such as protests, or going on strike officially.
3. One way is called Passive Aggressive, where the person says Yes, then doesn't do it, or engages in silent treatment.
4. There is verbal/written abuse, that causes as much harm as physical abuse, and can even lead to physical symptoms such as heart disease or stroke, in the victim, or cause them to contemplate suicide.
Revenge is a terrible manifestation of anger that can end up as a vicious circle. "An eye for an eye " can be never ending and lead to wars between families or countries that go on too long.
Then there is substance induced violence, such as under the influence of alcohol. Ice drug seems to appear more and more , named in the courts as causing violence.
"▪ Billy Nicholls, former Hawthorn and Richmond footballer of "exemplary character" is sentenced to 11 years' jail after shooting two men in the leg in separate incidents while in an ice-induced psychosis.