YOU SAID:
The apple of my eye eats a horse every night.
INTO JAPANESE
私の目のリンゴは毎晩馬を食べます。
BACK INTO ENGLISH
The apple in my eye eats horses every night.
INTO JAPANESE
私の目の中のりんごは毎晩馬を食べます。
BACK INTO ENGLISH
The apples in my eyes eat horses every night.
INTO JAPANESE
私の目のリンゴは毎晩馬を食べます。
BACK INTO ENGLISH
The apple in my eye eats horses every night.
INTO JAPANESE
私の目の中のりんごは毎晩馬を食べます。
BACK INTO ENGLISH
The apples in my eyes eat horses every night.
it is unlikely that this phrase will ever reach equilibrium