The best managers have a high level of emotional intelligence, because they love people, and people love them in return.

There was a man riding on a horse. When a man walking on the road asks him where he is going, the rider replies, “Why are you asking me? You should ask the horse.”

The ability to monitor one's own and others' feelings and emotions to discriminate among them and to use this information to guide one's thinking and actions. -Salovey and Mayer (1990)

Emotional intelligence is trainable - you train your brain. 

1. Intentional Kindness: Looking at every person and saying to yourself, “I want everyone to be happy.” If you are thinking that, you will unconsciously show it with your manner, which transmits unconscious messages to everyone you work with that pleasantly disposes them toward yo...

• Attention Training: Strengthen mindfulness by focusing on yourself without being interrupted by other thoughts.
• Self-Knowledge and Self-Mastery: Being aware of the changes in your emotional processes and being able to see an emotion arisi...