Sometimes life is about big change. You move across the world. Quit or lose a job. Suddenly get Internet famous. Decide you must join the circus. Maybe not that, but you get it. For the next season of Love Letters, we\u2019re looking for stories about big, monumental changes in people\u2019s romantic lives. Have you ever made a 180 like this? Share it with us at\xa0loveletters@boston.com.