Description: Refusing to change one’s mind or consider conflicting information based on a desire to maintain one's existing beliefs.
I believe X.
You have evidence for Y.
I don’t want to see it because I don't want to stop believing in X.
I don’t want anything coming in the way of me and my beliefs; therefore, I will only socialize with people who share my beliefs.
Explanation: This is a common form of the fallacy -- excluding oneself from society as a whole to smaller subgroups where the same general opinions are shared.
I know what I know, and I refuse to debate!
Explanation: Refusing to “debate”, or consider other information is a refusal to reason.
Exception: There may be circumstances where ignorance is truly bliss and it is better to maintain a positive illusion than to be exposed to a hard truth that one is not psychologically prepared to accept.