Truthfully it’s just the reality of life. Your friend is making decisions based on emotions and not logic and reason and there will be consequences at some point. You are in your early 40s so you will start seeing this more and more.
Within 25-50 years the institution of marriage will be gone IMO and people will be legally bound together with legal contracts choosing to renew every 3-5 years. Most won’t make it to the 4th amendment.
