The sword is a choice to turn from what was and seek all that is Christ, or to push Him away and face the consequences. That is the dividing line. Each person and every generation has to make their decision on their own. Are you a barrier to their salvation?
Deep friendships have passages unique to the bond. In the very element and dynamic of being totally transparent one can throw another off course, veering them into water they were not to touch yet. God can place boundaries that match His precepts, as needed.