Help me find a way to breathe [Oli Sykes FF]

This is a sequel to We Are Powerless. If you haven't read it yet, please do so! http://www.wattpad.com/story/6434452-we-are-powerless So now that they're together and everything's solved they should be happy right? Everything's supposed to be perfect, isn't it? Cassandra joins BMTH on their Sempiternal-Tour. But nothi...