Any clue why nowadays I should go for that only chance of dating a woman who would leave right after sex?

My ex crush decided to tell me of meanwhile the second jerk she went for online and stopped actually going out with after a few months of oh so deep love. Again. They meanwhile only meet up for sex, she wouldn't even want to move in with him.

Any clue why nowadays I should go for that only chance of dating a woman who would leave right after sex?
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