Your ex is throwing their toys out of the cot right now; Don't let this bother you too much. If you want to make your ex miss you like crazy, just ignore their attention-seeking ways and leave them alone. Just because awful things were said in your last argument, does not mean your ex doesn't still love you. You need to start feeling clearly once again, and prevent your ex from playing games with your mind.
You need to leave your ex alone for a while now so they can also think things over and start to miss you. If your ex sees or hears from you now, they're not going to miss you are they ?!
It's going to be difficult staying apart from your ex right now, but if you stick to it, you too can get your ex back just like I did. You need to be strong; so make sure there's no more, begging, pleading and calling.
You can make your ex miss you like crazy provided you give them the space and time they desperately need. It's time for you to become independent once again and enjoy being single- this will make the situation ten times easier. Go out with friends again and do the things you love; enjoy life again, you only live once. Keeping your mind occupied will prevent you from calling your ex and even thinking of them.
Let your ex know that you're missing them and would love to get back together again. Reminisce and make them think about the good times and your ex will start thinking about you nonstop.
Your ex will be missing you like hell right now; they can't handle it anymore! You'll no doubt get a phone call from them telling you how much they want and miss you- this proves that you can make your ex miss you like crazy provided you give them the time and space they desperately need.