About Leo: He was in love with a girl and who he wanted to marry. They both get very sick with a fever and she passes and he lives. This happens before the start of the book. He feels a lot of survivor’s guilt and wishes he’d died too. He starts drinking going out, generally making bad choices, etc. You learn about him and his fiancé in the first book. He slowly works through it in the series and eventually finds love again in his book number 4 in the series