Here is the piece. If you can't say fornicate can you say copulate or if not that can you say co-habit? If not that would have to say consummate I suppose. Use your own good taste and judgment.
All stories, if continued far enough, end in death, and he is no true-story teller who would keep that from you. Especially do all stories of monogamy end in death, and your man who is monogamous while he often lives most happily, dies in the most lonely fashion.
Out of all the things you could not have there were some things that you could have and one of those was to know when you were happy and to enjoy all of it while it was there and it was good.