It's called your Not Sorry not what if your not sorry. But anyway I do not think that's a good song to sing if you are mad at your cousin that's more of a song you would sing about an ex.
"Crazier" by Taylor Swift
Taylor Swift composes many of her songs based on past relationships. Taylor Swift has never publicly admitted which songs where about which ex. The song 22 is not about Harry.
You can go on youtube.com and in the search box, type in her name and the song title. Ex): Taylor Swift Love Story
She wanted to apologize to an ex-boyfriend for the way she treated him.
Taylor Swift
Taylor Swift's lyrics are very personal. She is fascinated by love. The people in her songs are usually boyfriends, boys she's crushing on, ex-boyfriends. There are also some songs about her family and friends.
She said that the song was about seeing her ex-boyfriends unexpectedly while going out.
Joe Jonas,Taylor Lautner
Selena Gomez, Sara Hicks, and Taylor Swift are some of Taylor Lautner's ex-girlfriends.
Taylor Swift
Better than Revenge is her song for a girl who stole her ex-boyfriend (Joe Jonas).