Museum of unintended consequences/Rape as a marriage proposal

From CSWiki

In Europe in the Middle Ages and into the Early Modern period it was often the law or custom that a man who raped a woman was forced to marry her. This law was frequently turned on its head by couples who could not otherwise get married—because of differences in their social status, for example. The man and woman would stage a rape, which would produce a social imperative requiring them to marry.