The whole idea of religion is a very irrational one. The Bible itself is full of errors and mistakes, but the church still claims it as the book of truth and uses common feelings and fears to touch the hearts of the populations. The death of God will bring life and freedom to Men. Other example is politics. I cannot understand why someone actually voted for Richard Nixon in the presidential elections he won.
Cases exist of persons who lost their emotions due to accidents.
I think we need some kind of soul . I try, however, not to let it ever affect my judgment. I use an irrational approach when composing music . I don't intend to eradicate emotions, I just want to minimize their influence in the making of important decisions. Logic and reason taken to the extreme of my mind.