Hypothetical.
John and Sue meet in a public place and start talking to each other. They hit it off and think each other is attractive, so they exchange numbers and eventually begin dating. Things are going really well - they've been dating for a few months, they support and care for each other, enjoy doing things together, have great sex, have said "I love you," etc. Their relationship shows every sign of turning into something long-term.
One day, John tells Sue to sit down because he has something important to tell her. He reveals that he is already married to a woman named Lisa. Sue is understandably upset, but is willing to forgive him.
The question: does Sue now have a moral obligation to end the relationship? The feelings she and John developed for each other are real, and on her end, she had no idea she was "the other woman" while these feelings were being formed. Assume both Sue and Lisa would only be interested in a monogamous relationship.
One day, John tells Sue to sit down because he has something important to tell her. He reveals that he is already married to a woman named Lisa. Sue is understandably upset, but is willing to forgive him.
The question: does Sue now have a moral obligation to end the relationship? The feelings she and John developed for each other are real, and on her end, she had no idea she was "the other woman" while these feelings were being formed. Assume both Sue and Lisa would only be interested in a monogamous relationship.