YOU SAID:
they tell themselves a lie that they care
INTO JAPANESE
彼らは自分たちが気にかけている嘘をついている
BACK INTO ENGLISH
They are lying about what they care about
INTO JAPANESE
彼らは彼らが気にしていることについて嘘をついています
BACK INTO ENGLISH
They are lying about what they care about
You've done this before, haven't you.