Responses
It's weird and uncomfortable for both parties and you have to understand that they still live in a pretty traditional society
True. But they still don't have to. Traditional 8 don't think so. His son is gay. Traditional wouldn't allow for that. But yes it might be uncomfortable, unless both parties sir talk it out and sort stuff up in a cordial manner. Then it wouldn't be as uncomfortable.
You don't have to end your relationship.
They aren't biologically related, so calm down and get married. It's okay. Don't nip your happiness either this would totally guilt rip the couple.