Twilight (novel series)
In Eclipse, Jacob openly tells Bella that he loves her even if she does not love him back. He eventually gets Bella to kiss him, finding out that she loves him too, but not as much as she loves Edward. At the end of Eclipse, Jacob runs away to Canada to escape from his troubled human life and does not return until Bella's wedding in Breaking Dawn where he becomes overwhelmingly jealous of Edward and Bella's wedding and attempts to pick a fight. When Bella goes through "changes", he fights for her life as she dies while finding his place in the werewolf pack. In the end he imprints on Bella's daughter, Renesmee.