Checked out of middle school library, I recall the librarian telling me it had some adult themes. Read it sometime between 93 and 97. Same time as I read Crystal Singer.
Some kind of space future sci-fi novel.
All I remember is the following scene: a character Sam who has oral sex with female protagonist, describes it as frothy or something, later asked to stop during intercourse like "Sam, wait", comes anyway, receives apology from woman, and then dies in next scene while doing some kind of space repair.
I may have it all wrong. Looking back 20 years, wondering how it was available to my middle school mind. Not sure if sex would be in a young adult book ...
Any help with the title?