Ohh, Okay. Did you ever meet her since they've known each other for a year? I'm not a fan of the word "love" myself. I never say it to anyone unless I really mean it. I think that word gets thrown around to much.
Just my opinion--But maybe they were dating when you to were intimate with one another which would explain why she doesn't know. Either way though, he shouldn't come to you for sex if he wants distance (or another relationship), unless of course you wanted it either way.

Have you two discussed just being friends anymore, or is that out of the question now? If you still have feelings for him, that will obviously make it more difficult. But if you don't have the same feelings for him, or they subside, he might be a person you can go to for advice once you start dating again since he seems to know you inside and out.
I'll keep a lookout for your name change. (You can add me once you get it changed if you like). Not a problem....Everyone needs some sort of emotional support, so I'm glad to be here.