Rather than deter them, a wedding ring will attract men who pursue married women. A "stay the fuck away from me" ring, were our society to invent one, would still attract those men who pursue the hardest of hard-to-get women.
To be honest, and this may just be the inexperienced and hopeless romantic in me talking but whatever, I think that the institution of marriage (and by extension the importance we should place on the presence or absence of a wedding band on one's ring finger) is not as important as the depth of the love between two people. I can sum my take on this up in two simple words:
Doctor Zhivago. My point here, then, is that while it's inappropriate to pursue a woman one hardly knows who has a wedding band, it may not only be appropriate to pursue her but
just if she is one's soulmate and she, or the self, has married only because they thought the other lost.
In other news, one of the low points of this year's Thanksgiving holiday weekend was when my parents got into an argument over my lack of a girlfriend. My dad raged on that no son of his was going to wind up a bachelor-for-life (like one of his friends) or a doesn't-get-married-until-he's-50 (like another of his friends), while my mother took the position that while she didn't want me to be a bachelor-for-life she also didn't think it appropriate to foist an
お見合い onto me. In the meanwhile, my cat snuggled up against me in the relative quietude of my bedroom as I played Pokemon Heart Gold. lol