You have gone above and beyond to welcome these ingrates. Let them find their own way as it's clear they are NOT into you and your overtures. Wipe the dust off your welcome mat as a testimony against their shocking rudeness and lack of reciprocity. I absolve you.
SECONDARY ANSWER FROM ONE WITH A COOL HEAD FOLLOWING INITIAL RESPONSE:
You have treated others as you would like to be treated. It is too bad this couple did not reciprocate. It is safe to assume they have moved on. Time for you to do the same.
Callie Gordon is 20-something, Lillie-Beth Brinkman is in her 40s, and social columnist Helen Ford Wallace is 60-plus. To ask an etiquette question, email firstname.lastname@example.org. For more 20-40-60 etiquette, go to blog.newsok.com/partiesextra.