Harry Styles. Formally known as flirty and sweet, he has changed for the worse. Now he won't talk to anyone without fighting but Louis, and won't dare reveal why.
Soon his argument leads to a long-lasting feud with Niall, and the pair refuse to talk, saying they never will again. It doesn't help that Niall has a terrible stomach virus that lasts for days and may turn into something more.
When Harry and Niall's argument is revealed to the media, the boys are more determined than ever to get to the source of his foul mood. Does it have something to do with jealousy over Eleanor, as Liam suspects? Or has Harry simply changed for the worse, taking Niall and the rest of the band down with him?