Hard to say. Without more information about 'Des', it's difficult to determine if it's a true story. Sometimes stories are inspired by real life but have fictional elements added.
Since the phrase doesn't give much detail, Des Forges could be anyone. It might be an author using a fictional name, or it could be a real person from history, literature, or even a local legend. Without further context, we can't really identify this 'Des Forges' precisely.
I don't know for sure. It's possible that there's a kernel of truth in it, or it could be completely made up. Without more information, it's difficult to determine.
Some fanfics also focus on his role in the overall story arc. For example, how he contributes to the fight against the antagonists or how he helps his friends. This can range from him using his military skills to his more personal qualities like loyalty and determination.
One common theme could be the relationship dynamics. How the pregnancy affects Alex Manes' relationship with other characters, whether it's his partner, family, or friends. Another theme might be the challenges Alex faces during the pregnancy, like dealing with his own fears and insecurities.
Often, there's the theme of how those around Alex Manes react to his possession. His friends or family might try to save him or figure out what's wrong. There could also be a theme of identity crisis. Alex might not be sure who he is anymore with this other entity inside him. And sometimes, the fanfiction might explore the idea of using his new, possessed state for good or bad, like if he gains new powers from the possession and has to decide how to use them.
Once there was a girl named Lily. She found a stray dog on the street. It was dirty and looked very weak. Lily decided to take it home. She gave it food and water, and took it to the vet. After some time, the dog became healthy and lively. It became Lily's best friend. This is a simple but true story of kindness.