Can You Keep A Secret?

Skylar Dean and Kimberly Jay have been friends since 3rd grade. They always do everything together. Well... almost everything. Skylar has a secret that only Kim knows. She street fights. Her father is an abusive drunk so she had to find a way to protect herself. her mother died when she was 8 and Skylar has to fend for herself.
Kim also has her secrets ; everyone does. Her mother and father were murdered when she was 9. She now lives with her grandmother. She's a bit girly unlike Sky. Since Sky street fights she has many enemies ; some more dangerous than others. Because of this Sky taught Kim basic self defense as well as how to handle a gun and knives. Their lives seemed bearable until a new variable was added.
Would they be able to keep their secrets or will they be exposed? Read and find out.
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I'm horrible at intros but i promise the book is better. Plz give it a chance.