I won't say I'm sorry But I've got something to say before I go You've gone and let me down So I'm not saying sorry I'm not sorry I'm not the one who went and hooked up with my best friend I'm not the one who's carving notches in my bed I don't want I don't want I don't want your damn excuses I'm moving on So sorry, not sorry I won't be your hobby And I'm not playing your games anymore You knew this day would come So go and take your crazy I don't want it anymore I'm not the one who went and hooked up with my best friend I'm not the one who's carving notches in my bed I don't want I don't want I don't want your damn excuses I'm moving on So Sorry, Not Sorry I'm not the best I must admit But I'm better than this We can't rebuild From all this guilt I don't care how you feel You fooled me once You fooled me twice Now I'm done being nice I'm not the one who went and hooked up with my best friend I'm not the one who's carving notches in my bed I don't want I don't want I don't want your damn excuses I'm moving on So sorry, not sorry I'm not the one who went and hooked up with my best friend I'm not the one who's carving notches in my bed I don't want I don't want I don't want your damn excuses I'm moving on So sorry, not sorry Sorry not sorry Sorry not sorry