well, as Ive read on here countless times stay dark! as for how long you plan to wait seems like a choice you have to decide when you feel enough waiting and move on.. See he knows you want him back, and when he is ready he will and "Stop at nothing" so for your sake if your done or not the plan is the same stand your ground and NC
I know thats prob dot quite your answers you were looking for but its your best chance
IDK i think the I miss you line is classic WAS mine did that alot its to keep you on there little leash