Well, to figure out if it's your mother or sister in the manhwa raw, you need to pay attention to the details like their appearance, personality, and interactions with other characters. It might take some time to get a clear answer.
I don't really know. It depends on whether the creators have made the raw version accessible. You could check some popular manhwa communities or scanlation groups, but be careful to follow the rules and respect copyright.
It really varies. Some manga have characters who can keep secrets well, while in others, secrets are spilled easily. It all depends on the story's context and the personalities of the characters.
It really varies. A well-crafted secret in a novel can make it more intriguing. But if not handled properly, it might seem forced or predictable. The key is how the author reveals and plays with the secret throughout the story.
The key is to build suspense. Don't reveal too much too soon. Make readers constantly wonder and guess. And have characters who are cautious and paranoid about the secret being discovered.
In many cases, secrets can be kept in romance novels. They might add mystery and drama, influencing the relationship development. Sometimes the secret being revealed leads to a big climax or resolution in the story.