I don't mind answering whatever questions they have. Usually I explain how redundant everything is and how the pilots are notified of anything critical then explain what the noise they heard was. I find once they understand, or at least get in the mindset that things happen for a reason and that they are in good hands, they tend to not worry anymore.

I've commuted since day one and honestly don't have people ask me very often. The only complaint I keep hearing about is the smelling of farts passing through the cabin and people wondering if there's anything I can do about it. I always say no esp. if it's me