Time is also a theme. Sometimes, the lovers meet at the wrong time in their lives. Maybe one is already committed to something else or is in a different stage of life. In some cartoon love stories, time runs out for the couple to be together, either because of illness or some other factor that makes their love story a sad one.
One common theme is unrequited love. For example, in many stories, one character loves another deeply but that love is not returned. Another theme is separation. This could be due to distance, like in 'Your Name' where the characters are in different time - space locations. And also, misunderstanding is a common theme. Characters might misinterpret each other's actions and words, which leads to sadness in their relationship.
Loss is a common theme. For example, in 'The Lion King', Simba loses his father, which is a very sad moment. It makes him grow up in a difficult situation and has to face the reality of his father's death.
Well, the theme of lost opportunities is quite common. In sad love stories, the characters may miss the chance to be together for various reasons, like hesitation or external forces. For instance, in some stories, a couple may have the opportunity to run away together but one of them fails to act in time. Also, the theme of sacrifice is often seen. A character might sacrifice their own happiness or even their life for the sake of their loved one, which makes the story sad. Another common one is the passage of time. As time goes by, love may fade or the lovers may change, resulting in a sad end to the relationship.
One common theme is self - discovery. In many animated love stories, like 'Beauty and the Beast', Belle discovers her own strength and the Beast discovers his humanity through their relationship. Another theme is sacrifice. In 'The Little Mermaid', Ariel sacrifices her voice for a chance to be with Prince Eric. Also, the theme of acceptance is often there. For example, in 'Wall - E', EVE accepts Wall - E as he is.
One common theme is the forbidden love. Since vampires are often seen as different and dangerous, their love with a human or even another vampire from a different clan is usually considered forbidden. Another theme is the struggle between good and evil. Vampires are sometimes portrayed as both having a dark side but also being capable of love, which creates an internal struggle. Also, immortality is a theme. The vampire's immortality affects their love relationships as they have to deal with seeing their loved ones age or die while they remain the same.
One common theme is unrequited love. For example, in many stories, someone loves another deeply but that love is not returned. It creates a lot of pain and longing.
Illness and death are also frequent themes. When one of the lovers falls ill, especially with a terminal illness, it often leads to a very sad ending for the relationship. Also, misunderstandings can play a part. Sometimes a simple misunderstanding can cause a rift between two people in love, and if not resolved in time, it can end the relationship on a sad note.
Loss is a common theme. Many of the stories might deal with the loss of the relationship itself, like a breakup or the death of a loved one. This loss often leaves the characters feeling adrift, as the title might suggest.
Unrequited love is a very common theme. For example, one character loves another deeply, but the feeling isn't reciprocated. This creates a lot of emotional pain and longing.
One common theme is unrequited love. In GLMM, one character may love another deeply, but the feelings are not reciprocated. This can lead to a great deal of sadness and longing.