Buy a Bride pack and Groom pack at God's Giving.
Open them, keep the Silk and Stamp.
Fashion isn't needed.
Squad up with your upcoming spouse.
Head over to west Archosaur.
Find the Eldest Matchmaker (Go to the middle of West Archosaur, walk towards the gate. He is on the right side.)
Take Matrimony quest, party leader should take it twice and you're married.
Congratz in advance.