You could continue to be her "friend," shower her with attention, hope she notices you're the "nice" one and watch your shithead neighbor bang away on her while she consistantly denies you.
Or....
You could tell them both to piss off and jerk one in your room.
I'd choose the latter. Where it's going is inevitable. The second one is less aggravating; plus, it's good for your prostate. So, there you go
