The desire to remain consistent with one's previously established positions is one of the great psychological motivators: https://www.amazon.com/Influence-Psyc

The desire to remain consistent with one's previously established positions is one of the great psychological motivators: https://www.amazon.com/Influence-Psychology-Persuasion-Business-Essentials-ebook/dp/B002BD2UUC https://www.amazon.com/Influence-Psychology-Persuasion-Busin... People will often act against their own best interests to do so.