Also, if you accept that any possibility is potentially the reality in which we inhabit, then it's possible that you are god. Now you could be god, what do you want to do with your life?
The possibility of solipsism cannot be excluded, but it also seems to be very difficult to test. I don't want to spend too much time thinking about it, because there are two approaches of broadening our knowledge which appear to have lower hanging fruit: The theory of mind and the theory of everything.
A universe without a creator might seem scary to those who have been brought up to believe in a creator, but how would it affect your day to day life? The pleasure and the pain found within existence is just as real as it was before, you can still take time to reflect on the nature of existence as it's a fascinating but unanswerable question, the only real difference is taking advice from different sources about the path you take through life.
Furthermore, if there is a God, and this God designed us, then our natural state is what God intended us to experience. By separating ourselves from the life that surrounds us we can disconnect from these experiences. How can a God judge you for living according to the nature it designed?