I am not a professional dream interpreter, but I feel ...

The 8 that bit the dust represent the failed relationship.

The 8 that survived are letting you know that even though it's over, all is not lost.

Her not getting hit simply means her tab hasn't come due yet ...

You might not be there to see it when it happens, but, trust me, it will come due.

All our tabs come due somewhere down life's road.