Identify the reason
To find a solution to the problem, you need to know what the problem is first. When you are suffering from problems such as anger and resentment, you must know the core reason for it. This will help you on getting over the feeling quickly. Also, you will find ways to get satisfaction if you know the reason.
Find a good activity
You need to divert your attention from the situation for some time of you need to get over the problem. Try to find a decent activity for yourself and set a routine for everyday. It will be good if you select a sport that you like and play it regularly. This will divert your interest from the issue and your mind will be free for some time.
It is extremely important that you devote some time for yourself also. You need to relax and think about things calmly. If you need peace of mind, try to solve your problems peacefully and find reasons on why the decision was made.
Consult a counsellor
This is also a good way to get over the feelings of anger and resentment. A counsellor will help you in getting to the root of the problem and will find reasons for you. He or she will also help you in battling the issue.
You can find great peace of mind by engaging yourself in religious or spiritual activity. Regular visits to the church will surely help.