And EVEN IF your scenario had been true, ourbabybeau, which it's not, let's say they had picked each other up in a bar on a night out, how is it her responsibility to say, "Hold on, before I let you buy me a drink and show off about how you're a footballer, I just need to check you're not taken."
On what planet is she obliged to do that? Even if he hadn't raped her, WHICH HE DID, it's his responsibility not to cheat on his girlfriend, not her duty to repel his advances because he's "taken".