An idea for a story could be a sad tale.
Old Habits Die Hard ; an man attmepts to give up smoking, but he can't stop, as he's addicted. his health deteriorates slowly, until he is on his death bed. before he takes is last breath, he takes one final smoke of his cigarette. his family, worried outside his room, wait for the news. the doctor comes out, and gives them the grave news: "old habits die hard"