All That is Gold (слэш)

“Your father and I grew to love one another," Frigga says. She smooths Thor’s collar and something sparks at his throat, a flicker of seidr. "And you may too, Thor. You will love your Jotun bride.”
“I will resent her my entire life,” Thor says out loud, angrily, and Frigga looks sad at that.
“I hope not, sweetling,” she says and kisses Thor’s cheek. “I would not want that for you, nor your bride. Now come, let us pick out what gifts to send to Jotunheim.”
or;
 Thor must marry for the sake of Asgard and he does not know--or thinks he does not know--his bride-groom.