Nope. It does involve Beverly Crusher, and it is part of the TNG 20th Anniversary releases. Chronologically it happens after The Buried Age but before The Child (TNG Second Season Episode)
ETA: Never mind. I just saw the post you were referring to. Sorry. It doesn't have to come from a novel according to the OP:
To keep this thread from dying forever: if someone guesses right, please try to post your own quote within a day. If nobody posts their own quote within 2 or 3 days, anyone can jump in and take over.
I've got one that I've been waiting to get a chance to use. It's probably fairly easy but, it was a pretty shocking when I read it. He watched her die, and in that terrible instant, he relived the moment of their seperation, felt the wait of the years since and regretted everything.
I would have posted an excerpt but my internet went down and then I was off sick. I'll keep my excerpt in reserve. No guesses for this one, I have no clue.