[[A z=fn(x, y) plot, with pointy spikes on the back sloping to a relatively flat front.]] Comment: You are like the prime numbers. Unpredictable turns, unconstrainable. Tantalizingly regular but never quite the same. I am like the Riemann-zeta function. A rippled curtain of the imagined and real. Deeply tied with you in ways incomprehensible. Although, strictly speaking, The Riemann-zeta function couldn't have given your herpes. {{Title Text: The graph is of the magnitude of the function with the real value between 0 and 2 and the imaginary between about 35 and 40. I've misplaced the exact parameters I used}