The key elements in the Alex Kelly story might be his character traits that drove certain actions. For example, if he was a very determined person, that determination could be a key element as it might have led him to achieve certain things. Also, any turning points in his life, like a major decision he made or an unexpected event that changed his course, would be important elements.
The Alex Kelly story is likely about a person named Alex Kelly. However, without more context, it's hard to say exactly what it's about. It could be his personal achievements, his life experiences, or some event he was involved in.
You can try fanfiction websites like Archive of Our Own. It has a large collection of fanfics from various fandoms, so there's a good chance you'll find some great Alex and Kelly fanfics there.
Some cable TV channels might show The Alex Kelly Story. You could also look on Amazon Prime Video or HBO Max. It depends on the licensing and availability in your region.
One great Alex and Kelly fanfic could be 'Alex and Kelly's Adventure'. It might involve them going on a journey together, facing challenges and growing closer as friends or more. Another could be 'Alex and Kelly's Secret', which could revolve around a mystery they have to solve together.
Since we don't have more details, Kelly could be any woman. She might be a fictional character created for a story about birth in a city, or it could be a real person's experience that is being shared.
Kelly is the main character in this story. She is likely a person who has a weight problem, specifically weighing around 600 lbs, and the story probably focuses on her life experiences related to her weight.
I'm not sure specifically who Kelly is without watching the story. But generally in 'my 600 lb life' series, the person is someone struggling with extreme obesity and their journey to a healthier life.