I almost always say communication because it's true and a lot of people/companies also suck at communicating, so it doesn't come off as a huge red flag. And then explain how I'm working to get better at it and stuff.
that I'm a creature of habit and hesitate to try new things. and it's also my understanding that what they want to hear is how you've been working on your weakness, so I'd have to reflect on that a lil more
This sounds like such a trick question, getting you to incriminate yourself. I think I'd Google what kind of answer you're supposed to (or is best to) give to this first. I've come upon an answer to this question before but I don't remember it.