ash_es_
"...he began to feel nauseous. He realized that he always felt alone, like a part of him was missing. He often dreamed of another version of himself, he knew it wasn't him though. They frequently were staring at each other, the other him was more an observative person than a talkative one. He stayed with him when his mother's fists became harsher and deadlier, when he saw him, he knew his mother had once again got too far. He stood by the door, protecting him from his mother, even though Aaron knew he was a result of his own helplessness and loneliness."
Or
Aaron discovering Andrew's existence thanks to Katelyn's favorite actor.
(Actor AU!)