Answer:
It can cause belief perseverance where you are overconfident in your thoughts and beliefs that you ignore direct evidence that goes against your beliefs. It make you get into arguments or disagreements when other people have different beliefs than you. Sometimes you have to do something you don't want to or feel very comfortable with because it coincides with your beliefs, specifically regarding with certain religions.
Step-by-step explanation:
I'm sure that there are other ways what you believe can cause conflict in your life, but these are a few.