I'm not sure it's a good idea to be reading texts that were written by monks for monks, at least for the purpose of personal application in the pursuit of spiritual development.
I know that this text seems a mere neat and handy compilation and arrangement of Scriptural texts, but even when it comes to the Scriptures, there are many layers of meaning--not only of general narratives and incidents, but even at times of a single word--and some verses simply do not apply to laity in the same way that they would for monks. The example in the OP is an obvious case in point.
This is a matter that probably ought to be raised and discussed with your spiritual instructor in my opinion.
I hope I have not offended you in any way. I intend the above in a friendly tone of gentle caution.