1. He always brings up are past when were not together
2. Always flirts
3. Always Fights
Well yes we can tell neither of you know what you want or do as you been on and off for half a decade now. Most likely you will continue this path of on and off again bullshit because no body between you two is strong enough to do anything about it.
Only when one of you finds special someone that makes you want to do right by them will one of you finally stop then nonsense.
You cannot undo this action. The opinion owner is going to be notified and earn 7 XPER points.