<Dl> <Dt> Jace's romantic interests </Dt> </Dl> <Dt> Jace's romantic interests </Dt> <P> Clary Fray: Jace begins to fall in love with Clary in City of Bones, growing close to her . Isabelle and Alec later say that they noticed a change in Jace's behavior after he started getting close to Clary . In City of Glass, Isabelle tells Clary that before Jace met her, he was apathetic and only half - alive as if in a long - time sleep, but that after his first encounter with her, Jace "woke up" and "started living". Isabelle further claims that she has never seen him act the way he does with Clary and states that Jace will never get over her . Throughout the series, Jace continuously loves Clary even after he believes they are siblings, to the extent that he is willing to commit incest with her and have a secret relationship . He has been with a couple of girls (though it being stated as more as just hooking up) and tries to start a relationship with Aline Penhallow in a failed attempt to get over Clary . Clary and Jace reunite at the end of the third book after discovering they are not siblings . </P> <Ul> <Li> Fighting Demons: Since Jace Herondale is the best Shadowhunter of his age, fighting demons is a hobby that he loves . He also loves showing off his skills while doing this activity . He fights with his siblings and Clary to protect the Institute, Idris, his family, Clary, himself, and many other people and places . He protects many people and saved many others while doing his job of being a Shadowhunter . Jace is extremely skilled because he is Shadowhunter and because of his past with Valentine, his parents and because he has more angel blood than other shadowhunters with the exception of Clary . </Li> <Li> Himself: As Jace says in the book that he loves himself and he turns himself down to keep it interesting when Clary says he doesn't get rejected . </Li> </Ul>

In the mortal instruments do clary and jace end up together
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