Anger in itself is neither good nor bad. Learning the roots of anger and constructive ways to express it can save your relationships and your happiness.
Fighting may be a part of any relationship where passion and love is important. Fighting for a relationship is constructive and positive, but fighting against a relationship can destroy it.
Iron Kids are those children who grow up to be strong adults despite a bad upbringing. For many, the lessons they missed as kids can make them become strong adults.