Will someone experienced answer this please?<3?

I think you definitely need time apart for a while, to work out why you are so insecure with him. If he truly loves you, he will try to help you work things out. Have you been hurt before? If you have, it would explain why you obsess over him, it could be past relationships, or even those within your own family. Having a long-distance relationship makes things harder too, also having someone who acts possessively tends to make the other partner feel trapped, which could be why he needed space. If you are to work this out, you both need to be able to communicate with each other properly, but I think you really need to discover what you need first, so you understand yourself before you can work on this together. I wish you well x