Perfectly Fine (Larry stylinson)
As soon as the door closed, Louis lurched up, ignoring the painful protest in his stomach as he did. He rushed into the bathroom, crumbling to his knees before the porcelain bowl just as the heaving started.
It burned the whole way up. Stomach acid will do that, Louis told himself, but that didn't stop it from burning all the same. Even when there was nothing left in his stomach, he kept on retching until he was just spasming, mouth gaping as his stomach turned inside out.