YOU SAID:
my baby daddy went to get milk and never came back
INTO JAPANESE
私の赤ちゃんのパパは牛乳を取りに行き、二度と戻ってきませんでした
BACK INTO ENGLISH
My baby's dad went for milk and never returned
INTO JAPANESE
私の赤ちゃんのお父さんは牛乳を買いに行って帰ってこなかった
BACK INTO ENGLISH
My baby's dad went to buy milk and never returned
INTO JAPANESE
私の赤ちゃんのお父さんは牛乳を買いに行きましたが、二度と戻りませんでした
BACK INTO ENGLISH
My baby's dad went to buy milk but never returned
INTO JAPANESE
私の赤ちゃんのお父さんは牛乳を買いに行きましたが、二度と戻りませんでした
BACK INTO ENGLISH
My baby's dad went to buy milk but never returned
That didn't even make that much sense in English.