YOU SAID:

When I was 13 and going through puberty, I grew up young.

INTO JAPANESE

13歳で思春期を迎えた私は若く成長しました。

BACK INTO ENGLISH

I hit puberty at 13 and grew up young.

INTO JAPANESE

私は13歳で思春期を迎え、若くして成長しました。

BACK INTO ENGLISH

I hit puberty at 13 and grew up young.