1
Cry. Yeap cry if you can. Will make u release d burden. 2. Delete all traces of them. It would hurt terribly. Just do it for your own sanity. Delete their pictures, phone number,

3
void places you'll find them, tell your friends n family what happened so they wont talk about them, NEVER EvER stalk them on social media. Block Them there. It will be difficult but remember you are trying to heal. Healing aint easy.
4
Engage yourself in something you love.
5
Meet new people.

ABOVE ALL never nurse the thought that she just might come back. Never. You'll open fresh wounds.
Also dont settle for the crumbs, "hey we can be platonic friends" no way. Dont go for that or you might be a love slave feexing someone's obviously diminished ego.