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.
Twilight:

About three things I was absolutely positive: first, Edward was a vampire. Second, there was a part of him - and I didn't know how dominant that part might be - that thirsted for my blood. And third, I was unconditionally and irrevocably in love with him, 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.
Shakespeare:

Shall I compare thee to a summer's day? Thou art more lovely and more temperate: but everything changed when the fire nation attacked.