YOU SAID:

Derek can't possible become any cuter.

INTO JAPANESE

デレクはかわいい人になることはできません。

BACK INTO ENGLISH

Derek can't be a cute person.

INTO JAPANESE

デレクはかわいい人にはなれません。

BACK INTO ENGLISH

Derek cannot be a cute person.

INTO JAPANESE

デレクはかわいい人にはなれません。

BACK INTO ENGLISH

Derek cannot be a cute person.