sounds like a broken heart, or even just missing the connection you felt which also fits under the "broken heart" category. Ending a relationship is (usually) never easy and hard to cope with and move on. And it seems like you understand that jumping into a relationship will not replace the feelings and emotions from before and in the end can make it even harder for you. I agree that you should use this time to learn more about yourself and talk to more people and make new connections. And remember, no matter how you look at it or in what aspect the relationship is in "breaking up is hard to do".
~violetgem~