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.
They can keep their secret by being discreet in public. For example, not showing too much affection in places where they might be seen by people who could cause trouble. Also, using private and encrypted messaging apps to communicate.
I'm not certain. It could be popular within a certain niche or among readers who enjoy stories centered around secrets. But without more context or data, it's hard to declare it as a widely popular novel.
I'm not sure which specific 'Can u keep a secret novel' you're referring to. There could be many novels with secrets in them. Maybe it's about a character who has a big secret that they're afraid will change their life if it gets out.