To be cool is to work to build relationships.   

It is easy to speak negatively when we do not like something        about someone. We first react to them in our mind and so tend to get angry. Our        words and behaviour would then naturally be negative and insulting too. This further        widens the gap and breaks the relationship.       

 When someone does something undesired, I first need to try and        understand his behaviour. Every person has a reason to behave the way he does. If        I can’t understand at that time, I at least need to give it time. The more I react        to the other person and his behaviour, the greater the distance that is created.        So I need to begin the first step of positivity by recognizing some positivity in        him.       
 

Anger Management

There are some false notions (ideas) about anger that we have acquired, which we use to justify and nourish our anger:
1. I do not get angry. The actions of others make me so.
Fact: At all times, and in all places you and only you are the creator of  your thoughts and feelings and are completely responsible for them, not anyone else.       
Tip For Transformation: The regular practice of meditation empowers you to become the ruler of your mind, intellect and thoughts.       
2. I need to use anger to motivate others.
Fact: Trust and respect, the foundations (basis) of any relationship, at home or in the office, are never built by anger. In the long term, angry outbursts damage any leadership qualities you may have. Anger kills motivation within oneself and will most probably negatively influence others' motivation.       
Tip For Transformation: Meditation helps you practice acceptance and respect for others as they are.       

   Source and courtesy:  In Spiritual Service, Brahma Kumaris