In the discussion, where I changed the term from atheist to metaphysical naturalist, I was following up on an assertion concerning the mind being merely the epiphenomenon of the physical brain (a metaphysically naturalist deduction) and wondering how such an atheist could ever claim to be "fulfilled".
My original post at 2200 (referenced at 2233) needed the additional clarification in the following dialogue with Right Wing Professor.
How does feeling "fulfilled" relate to atheism?