I have kind of assumed I have had OCD tendencies for a while now, but haven't done anything about it because for the most part I have felt it has always been in control and just be being a bit weird - until around a year ago.
I used to get "bothered" by stupid little things, such as leaving the living room door open whilst watching telly - if somebody walked in/out the room I'd have to get up and close the door otherwise I wouldn’t be able to concentrate on whatever I was watching. If the door was left open, I would literally be unable to think of anything other than how much I wanted to close the door. But that didn’t really matter because it was just TV...
More recently I have had situations where during a conversation with someone who's opinion I care about I would say something and instantly regret it - usually a stupid choice of phrase or something that could accidentally be interpreted as offensive, and I would think of nothing else for hours (or maybe even days).

I seem to be totally possessed by the thoughts that I wish I could just turn off, most of which are tiny and pointless things (such as having to turn my computer back on and open/resave an excel file if I closed it without selecting cell A1 first!) but some are so overwhelming I have actually fallen to the floor because my mind was so occupied by going over the situation in my head that my brain appears to have forgotten to tell my legs how to walk.
I am on a quest to understand the foibles of my mind and would appreciate some advice - it is entirely probably that this is nothing like OCD and is just be being a fool!
Thanks for any advice
J