No one knew why, or how it started. They didn't know if there was a cause, or if he was born like that. Nobody could figure out how he did it all the time, as if it came naturally. The demigods of the Argo II noticed it every day, during breakfast, lunch, and dinner. There was no way to stop him, taking them away did no good, he always kept spares. Where, that's impossible to explain, he seemed to somehow pull them out of thin air. But that was impossible, he couldn't use magic.
Because, for reasons unknown to the human race, Jason Grace ate his bread with a fork.