Have you ever flirted with someone's friends or siblings to make them jealous?

Have you ever flirted with your crush's or ex's friends or people close to them to get their attention or make them jealous? If so, what were you hoping to achieve by doing that? What were you hoping would happen? Did it all turn out how you thought it would? Or has this ever happened to you?

Have you ever flirted with someone's friends or siblings to make them jealous?
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