What To Do If Sister's Ex Keeps Making Futile Attempts To Get Them Back Together?

This is a quiet funny story, really. About five years ago my sister was about to be engaged to this guy. Well, this guy was Jewish and my family was a bunch of devout Catholics. (I don't really care about religion, so I kind of warmed up at the thought of having a brother-in-law at last) That was... Show More