@WashedOutGundamPilot There is a winning move, it is not to be a slut in the first place. I am sure she was warned, but chose to ignore that advice in favor of those who told her it was okay to live hedonistically.
Also, perhaps the guy is being a hypocrite here. That just means women need to be on their guard for that sort of man. Women who are wife material should seek husband material. If they choose a manwhore themselves, it is on them.