The one thing I cannot stress enough; LET YOURSELF HURT. GRIEVE. BE ANGRY. FEEL YOUR FEELINGS. it's been nearly 7 months since my most recent breakup. We lived together, he asked me to marry him and we were supposed to pick a ring out together. We had a silly argument and that was it. Gone. Thrown away. I fought, I took responsibility, I begged him to come back because he is my soulmate, I'll never have a love like him and neither of us understand his actions. I do believe he'll be back, but I went from not eating, crying all day, not able to leave my bed and so devastated to confident, happier, more outgoing, flirty and I really made a point to put myself first, go to counselling, get help, and better myself by eating better, working out, working on my mentality and just focusing on me.
The unfortunate side of all of this is, as someone previously mentioned, it's much much easier said than done and it's taken me years of help, of acting okay and trying AND FAILING until I finally feel happy on my own. I'm finally happy with myself.
I can sit back and resist but life goes on regardless. I'll never have another love like my POI but if it's meant to be, he'll be back and if not, I'll make sure I find someone who can be what I need and who needs me too.