Rachael, Yes, gaslighting is a way that your h makes you think you are carzy...just like that old movie. It's a way to make you second guess/doubt yourself.
The Power of a Praying Wife is an excellent book. God is listening and he will help you through this.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.