Even as one part of the body cares for the other body parts the stomach digests food for the body the brain directs the body for the good of the whole the hands work for the sake of the body etc so each partner in the marriage is to care for the other

Please fix the punctuation.
Even as one part of the body cares for the other body parts (the stomach digests food for the body, the brain directs the body for the good of the whole, the hands work for the sake of the body, etc.), so each partner in the marriage is to care for the other.