This is long, but I promise it's worth the read. My favorite EA sim is Bab's L'Amour, and I have played her a handful of times, and she always marries Ollie Purdue. I set out to do that this time a...
As a matter of fact, I have faced that scenario. I was in the last stages of the Pinstar Legacy Challenge. http://galacticgals.blogspot.in/2016/11/generation-nine-chapter-five-why-you.html
I used it to my advantage, however. It is painful. But I can never imagine a scenario where one or the other is 'left at the altar' as being anything but painful. Hope it works out for you, in the end.