I work in an office of 17 people, although I keep work/social life separate, I would of said I got on with the people in there, and although not friends as such with them, that there was no problem.
Well how wrong was I!!!
We had our christmas lunch today, one person chose to stay in the office, as she never socialises (maybe I should of taken her lead), and another was on leave.
We went in car convoy to the pub, some were lift sharing others travelling by themselves. We walked in, went to the bar, got drinks took our seats. It was a long table of fourteen, and separately to the side (not adjoined at all) was a table set up for 1. That was where I was to sit. 
I have never been so humilitated or embarassed in all my life. What do I do now, I can't work with these people, they obviously detest me.
I heard them saying things about other departments like 'IT don't like x to attend so they just don't invite them', 'Accounts are having a xmas do, but y doesn't know about it as they don't want them going', 'We'll have to do something similar next year.'
WWYD? I'm off for the week now, and am going to see what if anything is out there, but how can I return?