Rejections are normal and we all are told no on many occasions. Some persons have difficulty handling rejections and may react hastily to the other person involved. If you walk in a bank and apply for a loan and are rejected you might stomp out the door shouting obscene talk to the lenders. This is not an appropriate way to handle the situation.
This in fact can get you in trouble and it is obvious that rejections are triggers to your emotions that enforce your anger. Now that you see this is a trigger you will need to learn how to cope with your anger and emotions. We can start with the technique to work through your anger by reducing your stress. If you are a spontaneous person then you will need to learn how to cut back on stressors. If you feel pressured in the morning before going to work, try picking out the clothes you will wear for that day the following evening.
This will provide you an extra few minutes during the morning to prepare for work. If you are running like a mad person to meet classes, then you might want to set up a schedule for your self that includes time management. This can help you learn to prepare ahead and stay on top of things without...