There is an age old debate about the roles of emotion and reason in our decision making. Are decision made free from emotion better? Are they possible? The conventional views have been to try to disregard emotion when making decisions but there is interesting research that disputes these ideas. Below are some interesting articles discussing these issues.
http://intentionalworkplace.com/2012/03/15/how-emotion-shapes-decision-making/
See a contrasting view by checking out Plato’s allegory of the chariot.
https://toktopics.wordpress.com/2015/01/27/how-do-we-decide-reason-vs-emotion/