YOU SAID:

i lied when i said i don't care and you lied when you told me you did

INTO JAPANESE

気にしないと言った時に嘘をついた

BACK INTO ENGLISH

I lied when I said I didn't mind

INTO JAPANESE

私は気にしないと言ったとき私は嘘をついた

BACK INTO ENGLISH

I lied when I said I did not mind

INTO JAPANESE

私は気にしないと言ったとき私は嘘をついた

BACK INTO ENGLISH

I lied when I said I did not mind