The word trauma is used a lot these days! Well, good.
Why is that good? Because trauma is the elephant in the room. Trauma is what underlies all the things that are truly hard about human life.
Trauma is why people treat each other badly. Trauma is why people become addicts, and why the ego defense mechanisms we all have, and through which we hurt each other every day, are necessary in the first place. Trauma creates psychopaths, victimizers, and victims.