With difficulty. When you’re raised all your life to believe something, it’s not just your conscious mind that has to be convinced, it’s the years of conditioning that has to be unloaded before the immediate gut-wrenching hair-trigger reaction doesn’t go off.
Things you might point out include:
But even then it’s an uphill battle. You have to measure your victories in ever-finer terms, starting with, “they aren’t begging me to read the Bible every time I see them.”