For everyone concerned about her fighting in her gown, 1) it's probably for dramatic effect, i.e look at this bigass dude getting absolutely throttled by a tiny woman in a frilly dress lol and 2) there's actually a really interesting thread on twitter than explains that swordfighting in a...
@Eggyeoh I totally understand that it can sound and seem condescending but in this context, the chances of it being condescending are really low. I'm not sure what it's like in Korea as I don't live there, but still, I can confirm that calling your spouse "wife/husband" or even just "my spouse"...