How to live in peace and good health - Episode 1: Emotions (part 2)

The humain beeing is granted of many emotions. There are two sorts of them:
The primary ones that represent his survival kit. They are short and automatic.
The secondary ones are the result of experiences and are inscribed in the DNA by epigenetic processes. They are rather slow and look like states.
Together, the primary and secondary emotions constitute the interior richness of the human being. But they can also lead to violence if they're blocked.