Now how can we control this anger? Basically, to control anger is to first control & calm your mind. If your mind remains in a state of calm then no negative emotions can arouse in it. To be peaceful at mind, the easiest way is that we let our mind delve inside our own inner nature rather than hankering after outside the worldly objects i.e. we should daily do some meditation, as in meditation mind becomes peaceful. If mind continuously runs after worldly things outside then it gets disturbed when the thing of desire is not attained. When the mind gets disturbed in this way then anger arouses in the mind & it leads to negative consequences only. When you close your eyes in meditation, you start delving inside your inner nature. What is your inner nature? It's nothing but your Soul inside, where you delve in times of meditation & attain peace. In Soul, there is peace only. Now your Soul is nothing but part & parcel of Universal Soul only. Universal Soul is nothing but God only, who is ultimate peace.
Here below is a beautiful story about Anger Management:
"There once was a little boy who had a bad temper. His father gave him a bag of nails and told him that every time he lost his temper, he must hammer a nail into the back of the fence. The first day the boy had driven 37 nails into the fence. Over the next few weeks, as he learned to control his anger, the number of nails hammered daily gradually dwindled down.
He discovered it was easier to hold his temper than to drive those nails into the fence. Finally the day came when the boy didn't lose his temper at all. He told his father about it and the father suggested that the boy now pull out one nail for each day that he was able to hold his temper.
The days passed and the young boy was finally able to tell his father that all the nails were gone. The father took his son by the hand and led him to the fence. He said, "You have done well, my son, but look at the holes in the fence. The fence will never be the same. When you say things in anger, they leave a scar just like this one. You can put a knife in a man and draw it out. It won't matter how many times you say I'm sorry, the wound is still there." A verbal wound is as bad as a physical one."
Below are few verses from Bhagwat Gita which explain why we should avoid anger:
dvaram nasanam atmanah
kamah krodhas tatha lobhas
tasmad etat trayam tyajet" (Bhagwat Gita: Chapter Sixteen verse 21)
"Sri Krishna said: O Arjuna, There are three gates leading to the hell — Lust, Anger and Greed. Every sane man should give these up, for they lead to the degradation of the Soul."
"dhyayato visayan pumsah
sangat sanjayate kamah
kamat krodho ’bhijayate" (Bhagwat Gita: Chapter Two verse 62)
"Sri Krishna said: O Arjuna, One develops attachment for the sense objects by thinking about the sense objects. Desire for sense objects comes from attachment to them, and anger comes from unfulfilled desires."
"krodhad bhavati sammohah
buddhi-nasat pranasyati" (Bhagwat Gita: Chapter Two verse 63)
"Sri Krishna said: O Arjuna, Delusion or wild idea arises from anger. The mind is bewildered by delusion. Reasoning is destroyed when the mind is bewildered. One falls down from the right path when reasoning is destroyed."
vartate viditatmanam" (Bhagwat Gita: Chapter Five verse 26)
"Sri Krishna said: O Arjuna, Those who are free from anger and all material desires, who are self-realized, self-disciplined and constantly endeavoring for perfection, are assured of liberation in the God in the very near future."
"dambho darpo ’bhimanas cha
krodhah parusyam eva cha
partha sampadam asurim" (Bhagwat Gita: Chapter Sixteen verse 4)
"Sri Krishna said: O Arjuna, Pride, arrogance, conceit, anger, harshness and ignorance—these qualities belong to those people who are of demoniac nature."
So. let's not be angry in our nature & let's not hurt our near & dear one's by our angry nature.
Read also: Why we Shout when we are angry?
Jai Shri Krishna