I still don't feel that I have a proper concept of Jesus. At least - of Jesus now. I don't doubt the physical Jesus of two millennia ago.
It occurs to me that I don't have a big enough concept of "God," either. My view is far too parochial. God is the God of the universe, not of solely of Planet Earth, or even (merely) of our solar system. Who, then, or what, is God? An energy stream? Plasma? The bond that holds atoms and molecules together? And yet, some - entity - that possesses what we (in our minute and dust-like brains) might call thought processes - some discrete entity that occurs literally everywhere, always.
Sometimes I read a Bible and substitute every reference to "God" with "Love." It makes for an interestingly different read.