YOU SAID:
a glow stick has to crack before it can glow
INTO JAPANESE
グロースティックは、光る前にひびが入る必要があります
BACK INTO ENGLISH
Glow sticks need to crack before they shine
INTO JAPANESE
グロースティックは、輝く前に割る必要があります
BACK INTO ENGLISH
Glow sticks need to be broken before they shine
INTO JAPANESE
グロースティックは、輝く前に壊す必要があります
BACK INTO ENGLISH
Glow sticks need to be broken before they shine
That didn't even make that much sense in English.