MY NEIGHBORS WAS NICE ENOUGH TO TAKE US WITH HIM ON VACATION. IF ALL HE ASKS IN RETURN IS FOR MY WIFE TO NOT WEAR CLOTHES ON HIS PARTYS, I JUST HAVE TO DEAL WITH IT.
Surely you would let this go on even if you became a couple. He was even grateous enough to let you come and watch the next time he and his friends has their way with your "innocent" crush.
There was a big party happening in the neighborhood, a place where all the popular kids would be. Your little sister decided to be daring and try to talk to her crush. Since you got this message half an hour after she left, it probably didn't go as plan