In doing so, Eve (and later, Adam) allowed original sin to taint our existence. As our pastor explained, original sin is the capacity and tendency for sin that all of us possess. While there are some in our society who claim that evil deeds are only done by evil people, the Catholic Church teaches that the possibility of evil resides in every person. Anyone is capable of doing awful things.
Rather than face this, many of us try to ignore our own nature and "go it alone" like Eve. Eve could have called for help or guidance, and would have been saved from the devil's temptation. We, too, can call on God to help us from the temptations that are around and within us.
We don't have to face them alone.