It wasn't always about love when you are forced to do something you don't want, that was the feeling you got when you and him got married and was forced to spend nights with him just because of the arranged marriage

This marriage was only built so you can give birth to a heir to the throne Arthur was the emperor of the empire and who would be more perfect than you to be his wife, a pretty face,health and most importantly You're pure clueless soul was suitable for a dominant demon lord..