ever wondered about why people argue a lot on here and anywhere else for that matter? this (for the most part) is why.
http://lifehacker.com/this-graphic-explains-20-cognitive-biases-that-affect-y-1730901381?utm_campaign=socialflow_lifehacker_facebook&utm_source=lifehacker_facebook&utm_medium=socialflow
anyways, just thought this was interesting and could give some insight to why people might try to oppose your facts and opinions so often.