People are changed by a whole bunch of things, including life experienced over time.
I was changed by travelling to various countries in the performance of my job duties, and getting to meet various people and experiencing their cultures.
I was changed by an emotionally violent divorce.
Neither of these are proof of (or against) God.
I'm sorry to hear that. It happens to often and the only people who win are the lawyers. I hope any children caught in the middle are okay.
Neither of these are proof of (or against) God.
Only if you're not looking.