OP, I am with you.
I have researched the historicity of Jesus in the past to try to confirm my faith, but all we have is either Christian sources or sources written more than 300 later after Jesus supposedly died.
What we are sure of is that Paul really existed, and it's him who mainly spread this new religion. That he was telling the truth, no, we will never be sure.
I am sorry for the other comments here. I thank you for you submission but seeing the response of the rest of the community here I am going to block it and move on.