This reminds me of a conversation we had in Mollie's thread over what time you consider to be "evening" and "late evening." LOL
It is interesting that you consider "girlfriend" more intimate, because I think just the opposite. No particular reason, just the word I'm used to using, I guess. I don't think it really matters much.
I have also wondered if it was just a fling. I try to give people the benefit of the doubt, but the affidavit says, "A two day investigation revealed that Chris was actively involved in an affair with a co-worker..." The words "actively" and "affair" indicate that it was not just a fling, but an ongoing relationship.