YOU SAID:
A hard head makes a soft behind
INTO JAPANESE
ハードなヘッドがソフトなビハインドを作る
BACK INTO ENGLISH
A hard head creates a soft behind
INTO JAPANESE
ハードなヘッドがソフトなビハインドを生み出す
BACK INTO ENGLISH
A hard head creates a soft behind
That didn't even make that much sense in English.