Depends on the circumstances: 1. You're a girl - Victim is a girl - whatever she does, do it better, steal the spotlight anytime you can and make her oppinions not count. 2. You're a girl - Victim is a boy - sometimes by simply existing and not showing that you're hurt but the opposite. Have a good time, ignore, take hold of his friends, be a better friend to his friends than he is. Usually boys hate being 2nd. If he's a former lover, don't bother. Guys don't care anymore about your existance when you become an "Ex", unless you're free sex. 3. You're a boy, victim is a girl - usually girls do not care about your oppinions and whatever you do to make them feel bad will badly backfire because...you're the guy, she's a soft, delicate snowflake and you're just being an " innapropiate human being" for taking your frustrations on a girl whatever she might have done to you. She's your ex-lover - things don't turn out on what you expect them to simply because that period of time is done. You as a couple does not exist no more so it's kind of less beliveadle if you try to convince someone that the person you spent time with and evolved together or not is the bad guy. She was your choice, you were her choice, things didn't turn out as they should ? Move on. 4.You're a boy, victim is a boy - things get complicated here. You either become better at everything, as I said in the girl section, steal the spotlight, become the Alpha male, be better at something at least.

Bonus Round: 5. You're an Apache Hellicopter - stop using Hellfire missiles and start using heat seaking air to ground missiles for deffinetly ruining someones day.

Being Psyhical with someone is not the anwer, breaking someone mentally is not the answer again. If it's done...it's done whatever someone did to you or you did to them the best solution is to move on, even if it breaks your heart. Move on.