I don't see why they need to do anything about it.

What’s the big deal? No one is related and it’s really no one’s business.

So? Just a happy coincidence! 😊

You, your brother, and his girlfriend should be happy regardless. I don't know about you, but if your brother and his girlfriend are happy totgether, why are you judging what your parents do?

There’s nothing amiss in this!!

They ain't related by blood so no issues

That's totally awkward. 😅
Guess technically there is not really anything wrong happening here, but it sounds super complicated especially when they get kids. 😅 Though the parent couple may not get kids anymore. 🤔

This happened to a friend of mine 😂 they just kept dating. Both couples ended up breaking up eventually

Be Happy that they both found Happiness

Kinky

They are adults. Let them do what they want to do

Have a duel to settle it 🤔

apparently I'm the only one here who finds that incredibly trashy ?
Any decent parent would've prevented this from happening . Like stay away from the other person.

Where is the problem? It won't be incest even if the parents marry!

No inbred children, so it's all good

They aren’t related by blood so what is the problem?