I won't even attempt to tell you what you "must do".
I used to be a person who often became quite angry without any real justification. I have been known to smash telephones to pieces when the person I was talking to on the phone said something I took offense to...and often it was merely a trivial thing.
Over the period of five or six years i had to "unlearn" that learned habit.
The study of Buddhisim and meditation on why I acted like that gradually helped me unlearn my bad anger habit.
It wasn't easy, but I managed to do it.
If I WAS asked I would say you need to understand that your anger is part of your "Ego Mind"...which is not a part of your true nature, but only a construct you have created since your birth.
Therefore, your "Ego Mind" has no real nature, and is therefore not part of your true nature...which I would call your "Buddha nature".
If you can truely learn and accept that your "Ego mind" is not part of your true "Buddha Nature", but a construct you have built over the years; then you are well on your way to solving your "Anger" or "Hypersensativity" issues.
I know, I've been there before.
Shame on you Shakyamuni for setting the precedent of leaving home.
Did you think it was not there--
in your wife's lovely face
in your baby's laughter?
Did you think you had to go elsewhere (simply) to find it?
from - Judyth Collin
The Layman's Lament
From What Book, 1998, p. 52
Edited by Gary Gach