I have no idea what she’s saying at this part

WELL I'VE GOT THICK SKIN AND AN ELASTIC HEART!!

I'M LIKE A RUBBER BAND, BUT YOU PULL TOO HARD

BUT YOUR BLADE MIGHT BE TOO SHARP, IM LIKE A RUBBER BAND BUT YOU PULL TOO HARD

Nightcore - Summertime Sadness

Nightcore - Maps [Maroon 5]

https://www.youtube.com/channel/UC6_6xLv_FaqJvqcqP98cYzw