YOU SAID:
i love my smart tall fast brother
INTO JAPANESE
私は賢くて背が高くて速い兄が大好きです
BACK INTO ENGLISH
i love my brother who is smart and tall and fast
INTO JAPANESE
私は賢くて背が高くて速い私の弟が大好きです
BACK INTO ENGLISH
i love my brother who is smart and tall and fast
That didn't even make that much sense in English.