I took this question forward: what does the skill demand?
1. Perception making
2. Strong confidence
3. A vision to failure
4. No knowledge in detail
5. An Eye on phsycology of others
6. A breath on anger and temperament
7. A not so pleasing personality
8. An attitude to care a shit about
9. Knowledge to know how much you can make for yourself if not for others
10. Last but not the least the power to convince GOD
I wish to write more on this after my this weeks experience, negotiation is a hard core skill and I realise I have a bit of it. The remaining half glass is going to be filled sooner or later.