How did I not know that her dad is a psychiatrist? Somehow that both makes this more and less explicable.

But if we are being real here, Paul Nungesser isn't the first man to be in this situation. The entire Jian Ghomeshi situation was exactly as you described, and we only know this because of the meticulous reciepts he kept. The crazy part is that after one allegation came, it opened a floodgate but every single one of them turned out to be lying.