Yeah, it's not that there was ever one man and one woman but that we can trace our genetic lineage to common ancestors. Which shouldn't be surprising.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'