Primitive Emotions, Herd mentality and Raging Hormones - The way we make decisions

The clean, mathematical, rational and logical way is the way we make decisions!
Well, the real us make decisions using

• PRIMITIVE EMOTIONS
• HERD MENTALITY
• RAGING HARMONES

Well, this is what scientists and economists are saying - at the link here.

We are irrational and driven by the chemicals we produce inside us due to various stimuli - Can we understand our own chemistry?