Well, one thing everyone has to keep in mind. There are chances relationship won't last longer but you don't have to get upset. Sometimes, it doesn't work out. And from the behavior of your boyfriend, it seems he might have decided to break up from a long time. Anyways, now that you have decided to move on, that is a good thing.
You should to anything to divert your mind, do lawn, listen to songs. anything that change the mood. and, one relationship end doesn't mean you will fail always. Don't feel low. When the right person will come, you'll know. Enjoy every second of life. it's precious.
BE HAPPY, MOVE ON.