YOU SAID:

i'm going to be the most important person in your children's life

INTO JAPANESE

私はあなたの子供の人生の中で最も重要な人物になるつもりです

BACK INTO ENGLISH

I'm going to be the most important person in your child's life

INTO JAPANESE

私はあなたの子供の人生の中で最も重要な人になります

BACK INTO ENGLISH

I will be the most important person in your child's life

INTO JAPANESE

私はあなたの子供の人生で最も重要な人になります

BACK INTO ENGLISH

I will be the most important person in your child's life