Actually I was wrong!
This is Intimate Relationships, where have we been? where are we going? (3rd edition!!)
Was not able to find a libgen link, my apologies
https://www.amazon.com/Intimate-Relationships-Where-Have-Going-dp-1524983594/dp/1524983594
Wonderful textbook for a wonderful class at the university of Minnesota
Interplay!
https://libgen.is/book/index.php?md5=B1CC7CCCDAAF774495B0A1F26C38BA8C
https://www.amazon.com/Interplay-Interpersonal-Communication-Ronald-Adler/dp/019064625X
Great book, for my interpersonal communication course back in CC