The ruling on addressing one's wife with the word "my mother"

Question:
She says: When a husband says to his wife, "Oh Mama," as a form of affection and playfulness, is it forbidden for him to do so, just as it is forbidden to address his actual mother?

Answer:
It is not forbidden for him, but this expression is disliked. He should not address her with a term that is forbidden for you, such as "my mother," "my sister," "my aunt," or "my maternal aunt." The scholars said that this is disliked.