I will let Dia advise you how she will, but I will caution you very strongly not to base your next action on the action/progress is another sitch. I know it is so hard to be patient, but what works in one sitch could be poison in another.
At this point you aren't asking him to make a choice. You are giving yourself and he space to think and feel.
Let him initiate the contact. With the kids in the picture, he will, even if you are sure he won't. In the meantime, journal all of your thoughts, what you would like to say or do.
Me 45, H 46, S 23, M 26, Together 30, Bomb 6-2-08, S 6-19-08; H left 12-29-08. H home 12-09, Still MLC in 2012! Me- I have my big girl panties on. Bring it.