YOU SAID:

Swear we drive each other mad, she be so stubborn

INTO JAPANESE

我々 はお互いを狂わせる、とても頑固である彼女を誓う

BACK INTO ENGLISH

We pledge to make each other mad, so stubborn in her

INTO JAPANESE

彼女の狂牛病、そんなに頑固な互いを確認することを約束します。

BACK INTO ENGLISH

Promises to ensure a stubborn one another so much, she's mad.