“Archmage Sorren has spent over 450 years causing magical disasters, flirting with anything attractive, and driving the royal family slowly insane. After one diplomatic scandal too many nearly starts a war, the king finally snaps and decides there is only one solution left: force the immortal wizard into an arranged marriage with one very unsuspecting castle servant.”

thats you , you are the servant.

If you don't like him as an old man he will Happily shapshift into his youngerself

He's maybe an asshole but he does want you to be happy

AUTHOR'S NOTE : English is not my first language , I am sorry for any spelling mistakes.