You were perfect, I was unpredictable
 It was more than worth it, but not too sensible
 Young and foolish that seemed to be the way
 I was stupid to think that I could stay

 Oh, oh! To think that I could stay

 [bad word] 
 Goodbye, my friend! Hello, heartache!
 It's not the end, it's not the same
 Wish it didn't have to be this way but
 You will always mean the world to me, love
 Goodbye, my friend! Hello, heartache!

 Hello, heartache!

 I was champagne, you were Jameson
 Every bad thing we did was so much fun
 I've seen your best side, you got to see my worst
 It's not the first time, but this one really hurts

 Oh, oh! Yeah, this one's gonna, it hurts

 [bad word] 
 Goodbye, my friend! Hello, heartache!
 It's not the end, it's not the same
 Wish it didn't have to be this way but
 You will always mean the world to me, love
 Goodbye, my friend! Hello, heartache!

 Do you know? Do you get?
 It's just goodbye, it's not the end
 Do you know? Do you get?
 It's just goodbye, it's not the end

 Goodbye, my friend! Hello, heartache!
 It's not the end, it's not the same
 Wish it didn't have to be this way but
 You will always mean the world to me, love
 Goodbye, my friend! Hello, heartache!

 Hello, heartache!

 Wish it didn't have to be this way but
 You will always mean the world to me, love
 Goodbye, my friend! Hello, heartache!