Where the loss of ignorance is more valuable than the knowledge gained, and Edward figures out the source of alchemy a lot sooner than before. "Edward has cockroaches under his skin and leeches in his veins. He's vibrating and bursting and his body is too small, too big, doesn't fit quite right. He needs Al to know - needs to tell someone, anyone, but he will cut out his own tongue before he burdens anyone else with this knowledge."