Point 2 "I believe I am able to decide what is right and wrong for myself"

That statement is impossible. At most, you can say: I want to decide for myself what I think is good or bad. But as an individual, you can never determine what IS good or bad! Society cannot do that either. Society is not an absolute thing, but a collection of people with very limited knowledge. They only determine what we experience as good or bad at that moment, or what we like to see as good or bad. If there is no absolute moral Lawgiver, then there are no absolute moral laws. Feel free to do whatever you want. But here's the strange thing: Ultimately, we all assume that there are absolute moral laws. Without God (the God of the Bible), there are no absolutes at all. Only subjective pragmatism. Conclusion: If you do not accept the God of the Bible as your standard, then you will remain hopelessly searching for the answer to the question: “What is actually good and what is actually bad!”

If we are nothing more than bags of stardust, there is no way we could judge something morally wrong or right.

Dostoyevski: “If there is no God, everything is permitted”