YOU SAID:
I don't need friends, they disappoint me.
INTO JAPANESE
私は友達が必要ない、彼らは私を失望させる。
BACK INTO ENGLISH
I do not need friends, they make me disappoint.
INTO JAPANESE
私は友達が必要ない、彼らは私を失望させる。
BACK INTO ENGLISH
I do not need friends, they make me disappoint.
That didn't even make that much sense in English.