[RU OX Alum]

wow, dude,
actually not wow, it's a pretty common mistake.

If she wasn't bi-polar, it would be cool because then it's just your gf showing you want some guy did b/c she want you to know for whatever reason. Usually to get a little jealous so that they know if some random guy aproached them on the street, you would protect her.

Now, I know this might be hard to accept given the past history, but, that's probably all that was going on here.

Either way, if you break up because of this, it won't her fault.