Most of the time you should use reason, there is no doubt about that because gut often makes us susceptible to lots of different biases, particularly if what you're deciding is something that you really, that expertise can be brought to bear on it, there is a way in which you can align the odds, so then you should really use reason.
Sheena IyengarThe phantasmagoria, the actual experience that we try to understand and organize through narrative, varies from place to place. No single narrative serves the needs of everyone everywhere.
Sheena IyengarIn reality, many choices are between things that are not that much different. The value of choice depends on our ability to perceive differences between the options.
Sheena Iyengar