Jehovah Witnesses please help?

I always have trouble with evolution and creation. It always changes to one another, one day I'll just have a gut feeling that evolution never happened, and everything in the bible is sheer truth, then sometimes I feel that evolution is true, especially when I see those charts with the slow transition of fossils into one another. I try to tell myself that raccoons can't evolve into whales and never will, but then I see those prehistoric animals of a raccoon with a fish tail and wonder why would Jehovah even make that. It looks real, when you stack all the fossils together. The perfect changes. I was raised a Jehovah's Witness, and some parts of my mind want to stay with my beliefs while others just say the bible was just a storybook. A story about morals. Maybe the bible writers just wanted to teach children about being a good person, so they made small stories. I try to think that even a cell won't be given the spark of life, but then chemicals and compounds and chemical reactions always take over. I don't know