Alternatively

“Oh, are you reading?”

… No, I’ve got headphones on and am staring at this Kindle because I want to have a conversation. Dick.

My coworker with a see through partition between us who speaks so low it’s hard to hear him regularly when he is standing next to me

Just point to the headphones, mutter an “I’m sorry!” and speed your pace. That’s what I used to do, at least. :P

Me standing in the subway station just trying to get to my 11pm job.