I'm not sure specifically what a 'barry allen cock sleeve story' is as it might be something very specific, made - up, or inappropriate. There could be a story within a very niche or inappropriate context that I'm not aware of.
A 'cock warming story' is often an erotic or adult - themed concept which involves inappropriate and vulgar content. We should avoid discussing such topics in a general or public context.
No. Fanfics are usually not reliable as they are fictional works created by fans, not the official creators of the character. So the 'barry allen assulted fanfic' is likely just a creative and uncanonical take.
Barry Allen's origin story begins with him being a forensic scientist. One night at the Central City Police Department, a lightning bolt from a particle accelerator accident strikes him. This event endows him with super - speed. He discovers his new abilities gradually. As he learns to control his speed, he decides to use it for good, becoming the Flash and protecting Central City from various threats like super - villains and other meta - humans.
Barry Allen once fell in love with Iris West. He had known her since they were young. His love for her was a constant in his life, even as he became The Flash. He would often race to save her from danger, and their relationship grew through all the trials they faced together.