Hard to say. Maybe it took inspiration from real-life situations but was heavily dramatized for the story. It's common for such works to blend fact and fiction.
Well, in most cases, it isn't a true story. Usually, such titles are part of fictional works designed to engage the audience's imagination and emotions.
Well, it could be based on many true stories. Maybe it's about a toxic relationship where one person is extremely self - centered and doesn't deserve such a great sacrifice. For example, there are cases where someone is in an abusive relationship, either physically or emotionally. The abuser might be using the other person, and in that situation, the victim realizes that the abuser is not worth sacrificing their life for.
One possible true story could be about a cult. In cults, the leader often demands extreme loyalty from the followers, sometimes even to the point of asking them to sacrifice their lives. But as the followers start to see the true nature of the cult, which might involve exploitation, false propaganda, and abuse, they realize that the cult leader is not worth dying for. There have been numerous real - life examples of cults that have been exposed over the years.