YOU SAID:
the custard is yummy in my tummy!
INTO JAPANESE
お腹の中でカスタードが美味しい!
BACK INTO ENGLISH
Custard is delicious in your stomach!
INTO JAPANESE
カスタードがお腹に美味しい!
BACK INTO ENGLISH
Custard is delicious for your stomach!
INTO JAPANESE
カスタードはお腹に美味しい!
BACK INTO ENGLISH
Custard is delicious for your stomach!
That didn't even make that much sense in English.