To know about the intrinsic of selling and to know how to sell, you need to know what the PSYCHOLOGY OF SELLING is.
1. Your face
2. Your voice
3. Your mind
4. Your hands.
Your face, your voice and your hands communicates your how ie how you convey your words. A smiling face for instance communicates friendly approach and your clients are prone to open up to you more than with a frowny look.
Your mind communicate what you say.
I have been selling for since 1999 sept and to the glory of God, I have never failed to sell once and I mean once.