@Svelandria I think you hit the nail on the head. I didn't get it until I read your comment.

Ah, so because she's so strong she has to walk as if the floor is a glass window that could shatter at any moment, and as such she ends up walking slowly and sometimes slips due to her suddenly moving quickly while still treating the floor like it's glass(meaning she can't get proper footing).

What a clutz, actually cringy to watch.

god i hate this male lead already jesus why did she fall for a dude like this, seems like a jerk