YOU SAID:

if i ever get rich it won't be for long

INTO JAPANESE

私が今までに金持ちになればそれは長くは続かない

BACK INTO ENGLISH

It won't last long if I ever get rich

INTO JAPANESE

私が今までに金持ちになればそれは長続きしません

BACK INTO ENGLISH

It won't last long if I ever get rich