There have been a few articles like this doing the rounds:
What It’s Like to Isolate With Your Girlfriend and Her Other Boyfriend
Humiliating and degrading, I expect.
“They have a two-bedroom apartment here, so I have been staying in the guest room. For the last couple of nights Megan’s slept in bed with me. But then last night, she fell asleep with me, and I woke up alone. I guess at some point in the night she went to Kyle’s room and slept with him.”
Even the Black Death would be preferable to this.