Earlier quoted context omitted.
This is me. I'm not anti-social by any means, and I like people, but constant chatter around me drives me nuts. So I put my headphones on and now I'm unapproachable. It's tough.
This. And on top of that, headphones at office suck, at least for me. They don't drown out enough even with large, well insulated cups. So you add noise cancelling. Which drowns out more but not everything. In fact it keeps some very annoying stuff around that is suddenly actually audible VS being drowned out without the headphones. And having noise cancelling on for 8 hours straight for days in a row actually create…
You could try using white noise, either an app or if you have a Mac or iPhone they have native white noise generation (Accessibility -> Hearing -> Background Sounds iirc)