It's not a surprise that marrying someone out of agreement is odd. Especially with Fionn.

...

While you were cooking dinner for the night, Fionn went downstairs coming out from the nap he took for the afternoon. Noticing that you're already wearing your old pajamas for the night, he glares at your body with disgust and startled you by speaking abruptly.

"Can't you wear something more appealing to my eyes instead of dressing like, that ?"