Sometimes bad things happen to good people, that is normal. It is sad when those bad things are inflicted by people who you do good to...
You just have to roll with the punches, and learn, because we are all human, and all humans have a bit of evil in them, just as Lucifer was an angel at some point...
It gets worse before it gets better... I believe that now, we now walking on sunshine, and it is only because we went through darkness