Everything sounds better when you add "but everything changed when the fire nation attacked" at the end of a sentence.

Harry Potter: Mr. and Mrs. Dursley, of number four, Privet Drive, were proud to say that they were perfectly normal, but everything changed when the fire nation attacked.
The Hunger Games: When I was younger, I scared my mother to death, the things I would blurt out about District 12, but everything changed when the fire nation attacked.
Game of Thrones: The morning had dawned clear and cold, with a crispness that hinted at the end of summer, but everything changed when the fire nation attacked.
Edgar Allan Poe: 'Tis some visitor,' I muttered, `tapping at my chamber door' but everything changed when the fire nation attacked.
The Bible: In the beginning God created the heaven and the earth, but everything changed when the fire nation attacked.