Revisit some of your fave romantic movies to get schooled on dating and relationships. Dating expert Marni Battista says there is a lesson from each of these films that can be applied to your love life.By Dara Adeeyo1. The NotebookLesson: Try giving someone new at least three dates to find out if there is great chemistry.Allie (Rachel McAdams) originally blew the love-of-her-life Noah (Ryan Gosling) off when they first met, but by actually giving him a chance, she discovered a love she didn't know was possible. ...