Since the Greeks, especially the Cretans, were heavily into theater, the courtship phase of the whole affair was highly ritualized, and any deviation from it was strongly condemned. I agree with your statement that trying to make heterosexuality fit while ignoring evidence seems to go against the core of what scientific research is about. There was apparently no concept of virginity or any sort of expectation for it. Back then, gay sex raised no eyebrows as long as it did not stray from their cultural views on masculinity. She then sat on the temple steps—or on the sacred plot of Aphrodite—to await the attention of customers.