After Lucifer left, Ruby's mind kept replaying the words he said before leaving. She knew her father wasn't a man who she could trust or have faith in. He was that man who would go to any extent to fulfill his desires and now his only wish was to become the most powerful person who wanted to rule the world.
She couldn't let him harm Coal, he was innocent and she didn't wanted to risk his life just because Lucifer found out about her liking for him.
Ruby felt lost as if everything was turning back to how it was before she left the realm and came to the human world. She thought after escaping from Lucifer's clutch she would live a peaceful life but no, she was wrong.
Even now, he still wished the same thing from her and she didn't know how was she suppose to escape from him now.
*****
The days went by in the blink of an eye. Coal didn't pay a visit to Ruby's house and that made her think about his well-being.