Doubting ones judgment

I am 30 years old and currently am at a crossroads in my life. I am getting a divorce from a person who does not love me anymore, but I cannot stop loving her. I also have been raised Catholic, but have always been somewhat agnostic/athiest at heart. The commonality I recognize in these related experiences in my life is a lack of trust in my own judgment and in a guiding higher power. How can I find the trust in life that everything is going to be okay?: