What can I do about a disrespectful and rude coworker?

That's ridiculous, its completely your choice whether you want to stay inside and eat lunch or go out for a breath of fresh air. To tell you the truth, its a good idea to go outside and clear your head. It helps you work better after lunch, as you said your on the phone for most of the time.

It can get pretty loud,i should wonder!

Congratulations for being healthy and not being part of the herd. No, you won't get fired. If anything, and employer will like you.

You don't get involved in office gossip or politics. And you live a healthy lifestyle which keeps their insurance costs down.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.