[SedVictaCatoni]

OK. Bob decides to put Paul on his work health insurance as his partner. Paul has medical work done. Then Bob dumps Paul and adds Stan to his medical insurance. What happens to Paul's medical bills?

Well, I'm not a lawyer, but, obviously, Paul's bills incurred during his coverage period will be covered.

[AppyPappy]

But what about afterwards? With married people, I think there is a period during the separation that spouses are covered.