Louis knew Harry was fragile. He just didn't know how fragile, until one night he finds Harry in the bathroom tears rolling down his face and blade in one hand. Louis thought their friendship was fine. He thought they were 'ok'. He would have never guessed Harry was in love with him to the point where he would harm himself. He thought Harry was as happy as Louis had been with Eleanor. That's right had been. Everything changed the night Louis found Harry.