I want to marry Sylgja. She has horrendous clothing.
I know she isn't a follower, so i cannot give her better clothing. So here is my plan (tell me if this is possible):
First off, i have like 15 in pickpocket, so i have no special perks. Can I just pickpocket her into having Forsworn armor (i heard it looks good on women) and she will wear it?
Or will she just stick to those nasty clothes?

i wouldn't recommend it unless you save beforehand.

Oh yeah, of course.

I haven't tried this yet, but that sounds like it may work. I do know that they won't wear anything unless it's "better", IE better armor rating or some other arbitrary stat. Rags have the same stats as the best of robes, so they'll keep their default rags unless some other factor is introduced.

Reverse-Pickpocket seems a good idea, since some Woman wears [censored] clothes..

Sometimes it seem they don't wear the "best" but the most expensive, just like some real women's