YOU SAID:

hot dogs are hot, until they are not, and then the hot dogs are no longer hot

INTO JAPANESE

ホットドッグは熱くなるまで熱くなります

BACK INTO ENGLISH

Hot dogs get hot until they get hot

INTO JAPANESE

ホットドッグは熱くなるまで熱くなる

BACK INTO ENGLISH

Hot dog gets hot until it gets hot

INTO JAPANESE

ホットドッグは熱くなるまで熱くなる

BACK INTO ENGLISH

Hot dog gets hot until it gets hot