YOU SAID:
I don't socialize with kids my age.
INTO JAPANESE
私は私の年齢の子供たちと付き合いません。
BACK INTO ENGLISH
I do not associate with my age children.
INTO JAPANESE
私は私の年齢の子供たちとは付き合いません。
BACK INTO ENGLISH
I do not associate with my age children.
That didn't even make that much sense in English.